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---
id: docs
layout: docs
title: Lodash Documentation
version: 4.17.10
---
{% raw %}
<div class="toc-container">
<div>
<h2><code>Array</code></h2>
<ul>
<li><a href="#chunk"><code>_.chunk</code></a></li>
<li><a href="#compact"><code>_.compact</code></a></li>
<li><a href="#concat"><code>_.concat</code></a></li>
<li><a href="#difference"><code>_.difference</code></a></li>
<li><a href="#differenceBy"><code>_.differenceBy</code></a></li>
<li><a href="#differenceWith"><code>_.differenceWith</code></a></li>
<li><a href="#drop"><code>_.drop</code></a></li>
<li><a href="#dropRight"><code>_.dropRight</code></a></li>
<li><a href="#dropRightWhile"><code>_.dropRightWhile</code></a></li>
<li><a href="#dropWhile"><code>_.dropWhile</code></a></li>
<li><a href="#fill"><code>_.fill</code></a></li>
<li><a href="#findIndex"><code>_.findIndex</code></a></li>
<li><a href="#findLastIndex"><code>_.findLastIndex</code></a></li>
<li><a href="#head" class="alias"><code>_.first</code> -> <code>head</code></a></li>
<li><a href="#flatten"><code>_.flatten</code></a></li>
<li><a href="#flattenDeep"><code>_.flattenDeep</code></a></li>
<li><a href="#flattenDepth"><code>_.flattenDepth</code></a></li>
<li><a href="#fromPairs"><code>_.fromPairs</code></a></li>
<li><a href="#head"><code>_.head</code></a></li>
<li><a href="#indexOf"><code>_.indexOf</code></a></li>
<li><a href="#initial"><code>_.initial</code></a></li>
<li><a href="#intersection"><code>_.intersection</code></a></li>
<li><a href="#intersectionBy"><code>_.intersectionBy</code></a></li>
<li><a href="#intersectionWith"><code>_.intersectionWith</code></a></li>
<li><a href="#join"><code>_.join</code></a></li>
<li><a href="#last"><code>_.last</code></a></li>
<li><a href="#lastIndexOf"><code>_.lastIndexOf</code></a></li>
<li><a href="#nth"><code>_.nth</code></a></li>
<li><a href="#pull"><code>_.pull</code></a></li>
<li><a href="#pullAll"><code>_.pullAll</code></a></li>
<li><a href="#pullAllBy"><code>_.pullAllBy</code></a></li>
<li><a href="#pullAllWith"><code>_.pullAllWith</code></a></li>
<li><a href="#pullAt"><code>_.pullAt</code></a></li>
<li><a href="#remove"><code>_.remove</code></a></li>
<li><a href="#reverse"><code>_.reverse</code></a></li>
<li><a href="#slice"><code>_.slice</code></a></li>
<li><a href="#sortedIndex"><code>_.sortedIndex</code></a></li>
<li><a href="#sortedIndexBy"><code>_.sortedIndexBy</code></a></li>
<li><a href="#sortedIndexOf"><code>_.sortedIndexOf</code></a></li>
<li><a href="#sortedLastIndex"><code>_.sortedLastIndex</code></a></li>
<li><a href="#sortedLastIndexBy"><code>_.sortedLastIndexBy</code></a></li>
<li><a href="#sortedLastIndexOf"><code>_.sortedLastIndexOf</code></a></li>
<li><a href="#sortedUniq"><code>_.sortedUniq</code></a></li>
<li><a href="#sortedUniqBy"><code>_.sortedUniqBy</code></a></li>
<li><a href="#tail"><code>_.tail</code></a></li>
<li><a href="#take"><code>_.take</code></a></li>
<li><a href="#takeRight"><code>_.takeRight</code></a></li>
<li><a href="#takeRightWhile"><code>_.takeRightWhile</code></a></li>
<li><a href="#takeWhile"><code>_.takeWhile</code></a></li>
<li><a href="#union"><code>_.union</code></a></li>
<li><a href="#unionBy"><code>_.unionBy</code></a></li>
<li><a href="#unionWith"><code>_.unionWith</code></a></li>
<li><a href="#uniq"><code>_.uniq</code></a></li>
<li><a href="#uniqBy"><code>_.uniqBy</code></a></li>
<li><a href="#uniqWith"><code>_.uniqWith</code></a></li>
<li><a href="#unzip"><code>_.unzip</code></a></li>
<li><a href="#unzipWith"><code>_.unzipWith</code></a></li>
<li><a href="#without"><code>_.without</code></a></li>
<li><a href="#xor"><code>_.xor</code></a></li>
<li><a href="#xorBy"><code>_.xorBy</code></a></li>
<li><a href="#xorWith"><code>_.xorWith</code></a></li>
<li><a href="#zip"><code>_.zip</code></a></li>
<li><a href="#zipObject"><code>_.zipObject</code></a></li>
<li><a href="#zipObjectDeep"><code>_.zipObjectDeep</code></a></li>
<li><a href="#zipWith"><code>_.zipWith</code></a></li>
</ul>
</div>
<div>
<h2><code>Collection</code></h2>
<ul>
<li><a href="#countBy"><code>_.countBy</code></a></li>
<li><a href="#forEach" class="alias"><code>_.each</code> -> <code>forEach</code></a></li>
<li><a href="#forEachRight" class="alias"><code>_.eachRight</code> -> <code>forEachRight</code></a></li>
<li><a href="#every"><code>_.every</code></a></li>
<li><a href="#filter"><code>_.filter</code></a></li>
<li><a href="#find"><code>_.find</code></a></li>
<li><a href="#findLast"><code>_.findLast</code></a></li>
<li><a href="#flatMap"><code>_.flatMap</code></a></li>
<li><a href="#flatMapDeep"><code>_.flatMapDeep</code></a></li>
<li><a href="#flatMapDepth"><code>_.flatMapDepth</code></a></li>
<li><a href="#forEach"><code>_.forEach</code></a></li>
<li><a href="#forEachRight"><code>_.forEachRight</code></a></li>
<li><a href="#groupBy"><code>_.groupBy</code></a></li>
<li><a href="#includes"><code>_.includes</code></a></li>
<li><a href="#invokeMap"><code>_.invokeMap</code></a></li>
<li><a href="#keyBy"><code>_.keyBy</code></a></li>
<li><a href="#map"><code>_.map</code></a></li>
<li><a href="#orderBy"><code>_.orderBy</code></a></li>
<li><a href="#partition"><code>_.partition</code></a></li>
<li><a href="#reduce"><code>_.reduce</code></a></li>
<li><a href="#reduceRight"><code>_.reduceRight</code></a></li>
<li><a href="#reject"><code>_.reject</code></a></li>
<li><a href="#sample"><code>_.sample</code></a></li>
<li><a href="#sampleSize"><code>_.sampleSize</code></a></li>
<li><a href="#shuffle"><code>_.shuffle</code></a></li>
<li><a href="#size"><code>_.size</code></a></li>
<li><a href="#some"><code>_.some</code></a></li>
<li><a href="#sortBy"><code>_.sortBy</code></a></li>
</ul>
</div>
<div>
<h2><code>Date</code></h2>
<ul>
<li><a href="#now"><code>_.now</code></a></li>
</ul>
</div>
<div>
<h2><code>Function</code></h2>
<ul>
<li><a href="#after"><code>_.after</code></a></li>
<li><a href="#ary"><code>_.ary</code></a></li>
<li><a href="#before"><code>_.before</code></a></li>
<li><a href="#bind"><code>_.bind</code></a></li>
<li><a href="#bindKey"><code>_.bindKey</code></a></li>
<li><a href="#curry"><code>_.curry</code></a></li>
<li><a href="#curryRight"><code>_.curryRight</code></a></li>
<li><a href="#debounce"><code>_.debounce</code></a></li>
<li><a href="#defer"><code>_.defer</code></a></li>
<li><a href="#delay"><code>_.delay</code></a></li>
<li><a href="#flip"><code>_.flip</code></a></li>
<li><a href="#memoize"><code>_.memoize</code></a></li>
<li><a href="#negate"><code>_.negate</code></a></li>
<li><a href="#once"><code>_.once</code></a></li>
<li><a href="#overArgs"><code>_.overArgs</code></a></li>
<li><a href="#partial"><code>_.partial</code></a></li>
<li><a href="#partialRight"><code>_.partialRight</code></a></li>
<li><a href="#rearg"><code>_.rearg</code></a></li>
<li><a href="#rest"><code>_.rest</code></a></li>
<li><a href="#spread"><code>_.spread</code></a></li>
<li><a href="#throttle"><code>_.throttle</code></a></li>
<li><a href="#unary"><code>_.unary</code></a></li>
<li><a href="#wrap"><code>_.wrap</code></a></li>
</ul>
</div>
<div>
<h2><code>Lang</code></h2>
<ul>
<li><a href="#castArray"><code>_.castArray</code></a></li>
<li><a href="#clone"><code>_.clone</code></a></li>
<li><a href="#cloneDeep"><code>_.cloneDeep</code></a></li>
<li><a href="#cloneDeepWith"><code>_.cloneDeepWith</code></a></li>
<li><a href="#cloneWith"><code>_.cloneWith</code></a></li>
<li><a href="#conformsTo"><code>_.conformsTo</code></a></li>
<li><a href="#eq"><code>_.eq</code></a></li>
<li><a href="#gt"><code>_.gt</code></a></li>
<li><a href="#gte"><code>_.gte</code></a></li>
<li><a href="#isArguments"><code>_.isArguments</code></a></li>
<li><a href="#isArray"><code>_.isArray</code></a></li>
<li><a href="#isArrayBuffer"><code>_.isArrayBuffer</code></a></li>
<li><a href="#isArrayLike"><code>_.isArrayLike</code></a></li>
<li><a href="#isArrayLikeObject"><code>_.isArrayLikeObject</code></a></li>
<li><a href="#isBoolean"><code>_.isBoolean</code></a></li>
<li><a href="#isBuffer"><code>_.isBuffer</code></a></li>
<li><a href="#isDate"><code>_.isDate</code></a></li>
<li><a href="#isElement"><code>_.isElement</code></a></li>
<li><a href="#isEmpty"><code>_.isEmpty</code></a></li>
<li><a href="#isEqual"><code>_.isEqual</code></a></li>
<li><a href="#isEqualWith"><code>_.isEqualWith</code></a></li>
<li><a href="#isError"><code>_.isError</code></a></li>
<li><a href="#isFinite"><code>_.isFinite</code></a></li>
<li><a href="#isFunction"><code>_.isFunction</code></a></li>
<li><a href="#isInteger"><code>_.isInteger</code></a></li>
<li><a href="#isLength"><code>_.isLength</code></a></li>
<li><a href="#isMap"><code>_.isMap</code></a></li>
<li><a href="#isMatch"><code>_.isMatch</code></a></li>
<li><a href="#isMatchWith"><code>_.isMatchWith</code></a></li>
<li><a href="#isNaN"><code>_.isNaN</code></a></li>
<li><a href="#isNative"><code>_.isNative</code></a></li>
<li><a href="#isNil"><code>_.isNil</code></a></li>
<li><a href="#isNull"><code>_.isNull</code></a></li>
<li><a href="#isNumber"><code>_.isNumber</code></a></li>
<li><a href="#isObject"><code>_.isObject</code></a></li>
<li><a href="#isObjectLike"><code>_.isObjectLike</code></a></li>
<li><a href="#isPlainObject"><code>_.isPlainObject</code></a></li>
<li><a href="#isRegExp"><code>_.isRegExp</code></a></li>
<li><a href="#isSafeInteger"><code>_.isSafeInteger</code></a></li>
<li><a href="#isSet"><code>_.isSet</code></a></li>
<li><a href="#isString"><code>_.isString</code></a></li>
<li><a href="#isSymbol"><code>_.isSymbol</code></a></li>
<li><a href="#isTypedArray"><code>_.isTypedArray</code></a></li>
<li><a href="#isUndefined"><code>_.isUndefined</code></a></li>
<li><a href="#isWeakMap"><code>_.isWeakMap</code></a></li>
<li><a href="#isWeakSet"><code>_.isWeakSet</code></a></li>
<li><a href="#lt"><code>_.lt</code></a></li>
<li><a href="#lte"><code>_.lte</code></a></li>
<li><a href="#toArray"><code>_.toArray</code></a></li>
<li><a href="#toFinite"><code>_.toFinite</code></a></li>
<li><a href="#toInteger"><code>_.toInteger</code></a></li>
<li><a href="#toLength"><code>_.toLength</code></a></li>
<li><a href="#toNumber"><code>_.toNumber</code></a></li>
<li><a href="#toPlainObject"><code>_.toPlainObject</code></a></li>
<li><a href="#toSafeInteger"><code>_.toSafeInteger</code></a></li>
<li><a href="#toString"><code>_.toString</code></a></li>
</ul>
</div>
<div>
<h2><code>Math</code></h2>
<ul>
<li><a href="#add"><code>_.add</code></a></li>
<li><a href="#ceil"><code>_.ceil</code></a></li>
<li><a href="#divide"><code>_.divide</code></a></li>
<li><a href="#floor"><code>_.floor</code></a></li>
<li><a href="#max"><code>_.max</code></a></li>
<li><a href="#maxBy"><code>_.maxBy</code></a></li>
<li><a href="#mean"><code>_.mean</code></a></li>
<li><a href="#meanBy"><code>_.meanBy</code></a></li>
<li><a href="#min"><code>_.min</code></a></li>
<li><a href="#minBy"><code>_.minBy</code></a></li>
<li><a href="#multiply"><code>_.multiply</code></a></li>
<li><a href="#round"><code>_.round</code></a></li>
<li><a href="#subtract"><code>_.subtract</code></a></li>
<li><a href="#sum"><code>_.sum</code></a></li>
<li><a href="#sumBy"><code>_.sumBy</code></a></li>
</ul>
</div>
<div>
<h2><code>Number</code></h2>
<ul>
<li><a href="#clamp"><code>_.clamp</code></a></li>
<li><a href="#inRange"><code>_.inRange</code></a></li>
<li><a href="#random"><code>_.random</code></a></li>
</ul>
</div>
<div>
<h2><code>Object</code></h2>
<ul>
<li><a href="#assign"><code>_.assign</code></a></li>
<li><a href="#assignIn"><code>_.assignIn</code></a></li>
<li><a href="#assignInWith"><code>_.assignInWith</code></a></li>
<li><a href="#assignWith"><code>_.assignWith</code></a></li>
<li><a href="#at"><code>_.at</code></a></li>
<li><a href="#create"><code>_.create</code></a></li>
<li><a href="#defaults"><code>_.defaults</code></a></li>
<li><a href="#defaultsDeep"><code>_.defaultsDeep</code></a></li>
<li><a href="#toPairs" class="alias"><code>_.entries</code> -> <code>toPairs</code></a></li>
<li><a href="#toPairsIn" class="alias"><code>_.entriesIn</code> -> <code>toPairsIn</code></a></li>
<li><a href="#assignIn" class="alias"><code>_.extend</code> -> <code>assignIn</code></a></li>
<li><a href="#assignInWith" class="alias"><code>_.extendWith</code> -> <code>assignInWith</code></a></li>
<li><a href="#findKey"><code>_.findKey</code></a></li>
<li><a href="#findLastKey"><code>_.findLastKey</code></a></li>
<li><a href="#forIn"><code>_.forIn</code></a></li>
<li><a href="#forInRight"><code>_.forInRight</code></a></li>
<li><a href="#forOwn"><code>_.forOwn</code></a></li>
<li><a href="#forOwnRight"><code>_.forOwnRight</code></a></li>
<li><a href="#functions"><code>_.functions</code></a></li>
<li><a href="#functionsIn"><code>_.functionsIn</code></a></li>
<li><a href="#get"><code>_.get</code></a></li>
<li><a href="#has"><code>_.has</code></a></li>
<li><a href="#hasIn"><code>_.hasIn</code></a></li>
<li><a href="#invert"><code>_.invert</code></a></li>
<li><a href="#invertBy"><code>_.invertBy</code></a></li>
<li><a href="#invoke"><code>_.invoke</code></a></li>
<li><a href="#keys"><code>_.keys</code></a></li>
<li><a href="#keysIn"><code>_.keysIn</code></a></li>
<li><a href="#mapKeys"><code>_.mapKeys</code></a></li>
<li><a href="#mapValues"><code>_.mapValues</code></a></li>
<li><a href="#merge"><code>_.merge</code></a></li>
<li><a href="#mergeWith"><code>_.mergeWith</code></a></li>
<li><a href="#omit"><code>_.omit</code></a></li>
<li><a href="#omitBy"><code>_.omitBy</code></a></li>
<li><a href="#pick"><code>_.pick</code></a></li>
<li><a href="#pickBy"><code>_.pickBy</code></a></li>
<li><a href="#result"><code>_.result</code></a></li>
<li><a href="#set"><code>_.set</code></a></li>
<li><a href="#setWith"><code>_.setWith</code></a></li>
<li><a href="#toPairs"><code>_.toPairs</code></a></li>
<li><a href="#toPairsIn"><code>_.toPairsIn</code></a></li>
<li><a href="#transform"><code>_.transform</code></a></li>
<li><a href="#unset"><code>_.unset</code></a></li>
<li><a href="#update"><code>_.update</code></a></li>
<li><a href="#updateWith"><code>_.updateWith</code></a></li>
<li><a href="#values"><code>_.values</code></a></li>
<li><a href="#valuesIn"><code>_.valuesIn</code></a></li>
</ul>
</div>
<div>
<h2><code>Seq</code></h2>
<ul>
<li><a href="#lodash"><code>_</code></a></li>
<li><a href="#chain"><code>_.chain</code></a></li>
<li><a href="#tap"><code>_.tap</code></a></li>
<li><a href="#thru"><code>_.thru</code></a></li>
<li><a href="#prototype-Symbol-iterator"><code>_.prototype[Symbol.iterator]</code></a></li>
<li><a href="#prototype-at"><code>_.prototype.at</code></a></li>
<li><a href="#prototype-chain"><code>_.prototype.chain</code></a></li>
<li><a href="#prototype-commit"><code>_.prototype.commit</code></a></li>
<li><a href="#prototype-next"><code>_.prototype.next</code></a></li>
<li><a href="#prototype-plant"><code>_.prototype.plant</code></a></li>
<li><a href="#prototype-reverse"><code>_.prototype.reverse</code></a></li>
<li><a href="#prototype-value" class="alias"><code>_.prototype.toJSON</code> -> <code>value</code></a></li>
<li><a href="#prototype-value"><code>_.prototype.value</code></a></li>
<li><a href="#prototype-value" class="alias"><code>_.prototype.valueOf</code> -> <code>value</code></a></li>
</ul>
</div>
<div>
<h2><code>String</code></h2>
<ul>
<li><a href="#camelCase"><code>_.camelCase</code></a></li>
<li><a href="#capitalize"><code>_.capitalize</code></a></li>
<li><a href="#deburr"><code>_.deburr</code></a></li>
<li><a href="#endsWith"><code>_.endsWith</code></a></li>
<li><a href="#escape"><code>_.escape</code></a></li>
<li><a href="#escapeRegExp"><code>_.escapeRegExp</code></a></li>
<li><a href="#kebabCase"><code>_.kebabCase</code></a></li>
<li><a href="#lowerCase"><code>_.lowerCase</code></a></li>
<li><a href="#lowerFirst"><code>_.lowerFirst</code></a></li>
<li><a href="#pad"><code>_.pad</code></a></li>
<li><a href="#padEnd"><code>_.padEnd</code></a></li>
<li><a href="#padStart"><code>_.padStart</code></a></li>
<li><a href="#parseInt"><code>_.parseInt</code></a></li>
<li><a href="#repeat"><code>_.repeat</code></a></li>
<li><a href="#replace"><code>_.replace</code></a></li>
<li><a href="#snakeCase"><code>_.snakeCase</code></a></li>
<li><a href="#split"><code>_.split</code></a></li>
<li><a href="#startCase"><code>_.startCase</code></a></li>
<li><a href="#startsWith"><code>_.startsWith</code></a></li>
<li><a href="#template"><code>_.template</code></a></li>
<li><a href="#toLower"><code>_.toLower</code></a></li>
<li><a href="#toUpper"><code>_.toUpper</code></a></li>
<li><a href="#trim"><code>_.trim</code></a></li>
<li><a href="#trimEnd"><code>_.trimEnd</code></a></li>
<li><a href="#trimStart"><code>_.trimStart</code></a></li>
<li><a href="#truncate"><code>_.truncate</code></a></li>
<li><a href="#unescape"><code>_.unescape</code></a></li>
<li><a href="#upperCase"><code>_.upperCase</code></a></li>
<li><a href="#upperFirst"><code>_.upperFirst</code></a></li>
<li><a href="#words"><code>_.words</code></a></li>
</ul>
</div>
<div>
<h2><code>Util</code></h2>
<ul>
<li><a href="#attempt"><code>_.attempt</code></a></li>
<li><a href="#bindAll"><code>_.bindAll</code></a></li>
<li><a href="#cond"><code>_.cond</code></a></li>
<li><a href="#conforms"><code>_.conforms</code></a></li>
<li><a href="#constant"><code>_.constant</code></a></li>
<li><a href="#defaultTo"><code>_.defaultTo</code></a></li>
<li><a href="#flow"><code>_.flow</code></a></li>
<li><a href="#flowRight"><code>_.flowRight</code></a></li>
<li><a href="#identity"><code>_.identity</code></a></li>
<li><a href="#iteratee"><code>_.iteratee</code></a></li>
<li><a href="#matches"><code>_.matches</code></a></li>
<li><a href="#matchesProperty"><code>_.matchesProperty</code></a></li>
<li><a href="#method"><code>_.method</code></a></li>
<li><a href="#methodOf"><code>_.methodOf</code></a></li>
<li><a href="#mixin"><code>_.mixin</code></a></li>
<li><a href="#noConflict"><code>_.noConflict</code></a></li>
<li><a href="#noop"><code>_.noop</code></a></li>
<li><a href="#nthArg"><code>_.nthArg</code></a></li>
<li><a href="#over"><code>_.over</code></a></li>
<li><a href="#overEvery"><code>_.overEvery</code></a></li>
<li><a href="#overSome"><code>_.overSome</code></a></li>
<li><a href="#property"><code>_.property</code></a></li>
<li><a href="#propertyOf"><code>_.propertyOf</code></a></li>
<li><a href="#range"><code>_.range</code></a></li>
<li><a href="#rangeRight"><code>_.rangeRight</code></a></li>
<li><a href="#runInContext"><code>_.runInContext</code></a></li>
<li><a href="#stubArray"><code>_.stubArray</code></a></li>
<li><a href="#stubFalse"><code>_.stubFalse</code></a></li>
<li><a href="#stubObject"><code>_.stubObject</code></a></li>
<li><a href="#stubString"><code>_.stubString</code></a></li>
<li><a href="#stubTrue"><code>_.stubTrue</code></a></li>
<li><a href="#times"><code>_.times</code></a></li>
<li><a href="#toPath"><code>_.toPath</code></a></li>
<li><a href="#uniqueId"><code>_.uniqueId</code></a></li>
</ul>
</div>
<div>
<h2><code>Properties</code></h2>
<ul>
<li><a href="#VERSION"><code>_.VERSION</code></a></li>
<li><a href="#templateSettings"><code>_.templateSettings</code></a></li>
<li><a href="#templateSettings-escape"><code>_.templateSettings.escape</code></a></li>
<li><a href="#templateSettings-evaluate"><code>_.templateSettings.evaluate</code></a></li>
<li><a href="#templateSettings-imports"><code>_.templateSettings.imports</code></a></li>
<li><a href="#templateSettings-interpolate"><code>_.templateSettings.interpolate</code></a></li>
<li><a href="#templateSettings-variable"><code>_.templateSettings.variable</code></a></li>
</ul>
</div>
<div>
<h2><code>Methods</code></h2>
<ul>
<li><a href="#templateSettings-imports-_"><code>_.templateSettings.imports._</code></a></li>
</ul>
</div>
</div>
<div class="doc-container">
<div>
<h2><code>“Array” Methods</code></h2>
<div>
<h3 id="chunk"><a href="#chunk" class="fa fa-link"></a><code>_.chunk(array, [size=1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L6839">source</a> <a href="https://www.npmjs.com/package/lodash.chunk">npm package</a></p>
<p>Creates an array of elements split into groups the length of <code>size</code>.
If <code>array</code> can't be split evenly, the final chunk will be the remaining
elements.</p>
<h4>Since</h4>
<p>3.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to process.</li>
<li><code>[size=1]</code> <em>(number)</em>: The length of each chunk</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of chunks.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">chunk</span>([<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span><span class="delimiter">,</span> <span class="string">'d'</span>]<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => [['a', 'b'], ['c', 'd']]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">chunk</span>([<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span><span class="delimiter">,</span> <span class="string">'d'</span>]<span class="delimiter">,</span> <span class="numeric">3</span>);</div><div><span class="comment">// => [['a', 'b', 'c'], ['d']]</span></div></pre></div>
</div>
<div>
<h3 id="compact"><a href="#compact" class="fa fa-link"></a><code>_.compact(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L6874">source</a> <a href="https://www.npmjs.com/package/lodash.compact">npm package</a></p>
<p>Creates an array with all falsey values removed. The values <code>false</code>, <code>null</code>,
<code>0</code>, <code>""</code>, <code>undefined</code>, and <code>NaN</code> are falsey.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to compact.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter">.</span><span class="support">compact</span>([<span class="numeric">0</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> false<span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="string">''</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [1, 2, 3]</span></div></pre></div>
</div>
<div>
<h3 id="concat"><a href="#concat" class="fa fa-link"></a><code>_.concat(array, [values])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L6911">source</a> <a href="https://www.npmjs.com/package/lodash.concat">npm package</a></p>
<p>Creates a new array concatenating <code>array</code> with any additional arrays
and/or values.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to concatenate.</li>
<li><code>[values]</code> <em>(...*)</em>: The values to concatenate.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new concatenated array.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="numeric">1</span>];</div><div><span class="type">var</span> other = _<span class="delimiter method">.</span><span class="support">concat</span>(array<span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> [<span class="numeric">3</span>]<span class="delimiter">,</span> [[<span class="numeric">4</span>]]);</div><div> </div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(other);</div><div><span class="comment">// => [1, 2, 3, [4]]</span></div><div> </div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => [1]</span></div></pre></div>
</div>
<div>
<h3 id="difference"><a href="#difference" class="fa fa-link"></a><code>_.difference(array, [values])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L6947">source</a> <a href="https://www.npmjs.com/package/lodash.difference">npm package</a></p>
<p>Creates an array of <code>array</code> values not included in the other given arrays
using <a href="http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons. The order and references of result values are
determined by the first array.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#pullAll"><code>_.pullAll</code></a>, this method returns a new array.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>[values]</code> <em>(...Array)</em>: The values to exclude.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">difference</span>([<span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span>]<span class="delimiter">,</span> [<span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [1]</span></div></pre></div>
</div>
<div>
<h3 id="differenceBy"><a href="#differenceBy" class="fa fa-link"></a><code>_.differenceBy(array, [values], [iteratee=_.identity])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L6979">source</a> <a href="https://www.npmjs.com/package/lodash.differenceby">npm package</a></p>
<p>This method is like <a href="#difference"><code>_.difference</code></a> except that it accepts <code>iteratee</code> which
is invoked for each element of <code>array</code> and <code>values</code> to generate the criterion
by which they're compared. The order and references of result values are
determined by the first array. The iteratee is invoked with one argument:<br>
<em>(value)</em>.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#pullAllBy"><code>_.pullAllBy</code></a>, this method returns a new array.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>[values]</code> <em>(...Array)</em>: The values to exclude.</li>
<li><code>[iteratee=_.identity]</code> <em>(Function)</em>: The iteratee invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">differenceBy</span>([<span class="numeric">2<span class="delimiter">.</span>1</span><span class="delimiter">,</span> <span class="numeric">1<span class="delimiter">.</span>2</span>]<span class="delimiter">,</span> [<span class="numeric">2<span class="delimiter">.</span>3</span><span class="delimiter">,</span> <span class="numeric">3<span class="delimiter">.</span>4</span>]<span class="delimiter">,</span> <span class="support">Math</span><span class="delimiter">.</span>floor);</div><div><span class="comment">// => [1.2]</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">differenceBy</span>([{ <span class="string">'x'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">1</span> }]<span class="delimiter">,</span> [{ <span class="string">'x'</span>: <span class="numeric">1</span> }]<span class="delimiter">,</span> <span class="string">'x'</span>);</div><div><span class="comment">// => [{ 'x': 2 }]</span></div></pre></div>
</div>
<div>
<h3 id="differenceWith"><a href="#differenceWith" class="fa fa-link"></a><code>_.differenceWith(array, [values], [comparator])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7012">source</a> <a href="https://www.npmjs.com/package/lodash.differencewith">npm package</a></p>
<p>This method is like <a href="#difference"><code>_.difference</code></a> except that it accepts <code>comparator</code>
which is invoked to compare elements of <code>array</code> to <code>values</code>. The order and
references of result values are determined by the first array. The comparator
is invoked with two arguments: <em>(arrVal, othVal)</em>.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#pullAllWith"><code>_.pullAllWith</code></a>, this method returns a new array.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>[values]</code> <em>(...Array)</em>: The values to exclude.</li>
<li><code>[comparator]</code> <em>(Function)</em>: The comparator invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> objects = [{ <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">2</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">1</span> }];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">differenceWith</span>(objects<span class="delimiter">,</span> [{ <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">2</span> }]<span class="delimiter">,</span> _<span class="delimiter">.</span>isEqual);</div><div><span class="comment">// => [{ 'x': 2, 'y': 1 }]</span></div></pre></div>
</div>
<div>
<h3 id="drop"><a href="#drop" class="fa fa-link"></a><code>_.drop(array, [n=1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7047">source</a> <a href="https://www.npmjs.com/package/lodash.drop">npm package</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements dropped from the beginning.</p>
<h4>Since</h4>
<p>0.5.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code>[n=1]</code> <em>(number)</em>: The number of elements to drop.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">drop</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [2, 3]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">drop</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => [3]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">drop</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">5</span>);</div><div><span class="comment">// => []</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">drop</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">0</span>);</div><div><span class="comment">// => [1, 2, 3]</span></div></pre></div>
</div>
<div>
<h3 id="dropRight"><a href="#dropRight" class="fa fa-link"></a><code>_.dropRight(array, [n=1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7081">source</a> <a href="https://www.npmjs.com/package/lodash.dropright">npm package</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements dropped from the end.</p>
<h4>Since</h4>
<p>3.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code>[n=1]</code> <em>(number)</em>: The number of elements to drop.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">dropRight</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [1, 2]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">dropRight</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => [1]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">dropRight</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">5</span>);</div><div><span class="comment">// => []</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">dropRight</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]<span class="delimiter">,</span> <span class="numeric">0</span>);</div><div><span class="comment">// => [1, 2, 3]</span></div></pre></div>
</div>
<div>
<h3 id="dropRightWhile"><a href="#dropRightWhile" class="fa fa-link"></a><code>_.dropRightWhile(array, [predicate=_.identity])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7126">source</a> <a href="https://www.npmjs.com/package/lodash.droprightwhile">npm package</a></p>
<p>Creates a slice of <code>array</code> excluding elements dropped from the end.
Elements are dropped until <code>predicate</code> returns falsey. The predicate is
invoked with three arguments: <em>(value, index, array)</em>.</p>
<h4>Since</h4>
<p>3.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code>[predicate=_.identity]</code> <em>(Function)</em>: The function invoked per iteration.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> users = [</div><div>  { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span>  <span class="string">'active'</span>: true }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'fred'</span><span class="delimiter">,</span>    <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'pebbles'</span><span class="delimiter">,</span> <span class="string">'active'</span>: false }</div><div>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">dropRightWhile</span>(users<span class="delimiter">,</span> <span class="type">function</span>(o) { return !o<span class="delimiter">.</span>active; });</div><div><span class="comment">// => objects for ['barney']</span></div><div> </div><div><span class="comment">// The `_.matches` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropRightWhile</span>(users<span class="delimiter">,</span> { <span class="string">'user'</span>: <span class="string">'pebbles'</span><span class="delimiter">,</span> <span class="string">'active'</span>: false });</div><div><span class="comment">// => objects for ['barney', 'fred']</span></div><div> </div><div><span class="comment">// The `_.matchesProperty` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropRightWhile</span>(users<span class="delimiter">,</span> [<span class="string">'active'</span><span class="delimiter">,</span> false]);</div><div><span class="comment">// => objects for ['barney']</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropRightWhile</span>(users<span class="delimiter">,</span> <span class="string">'active'</span>);</div><div><span class="comment">// => objects for ['barney', 'fred', 'pebbles']</span></div></pre></div>
</div>
<div>
<h3 id="dropWhile"><a href="#dropWhile" class="fa fa-link"></a><code>_.dropWhile(array, [predicate=_.identity])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7167">source</a> <a href="https://www.npmjs.com/package/lodash.dropwhile">npm package</a></p>
<p>Creates a slice of <code>array</code> excluding elements dropped from the beginning.
Elements are dropped until <code>predicate</code> returns falsey. The predicate is
invoked with three arguments: <em>(value, index, array)</em>.</p>
<h4>Since</h4>
<p>3.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code>[predicate=_.identity]</code> <em>(Function)</em>: The function invoked per iteration.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> users = [</div><div>  { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span>  <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'fred'</span><span class="delimiter">,</span>    <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'pebbles'</span><span class="delimiter">,</span> <span class="string">'active'</span>: true }</div><div>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">dropWhile</span>(users<span class="delimiter">,</span> <span class="type">function</span>(o) { return !o<span class="delimiter">.</span>active; });</div><div><span class="comment">// => objects for ['pebbles']</span></div><div> </div><div><span class="comment">// The `_.matches` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropWhile</span>(users<span class="delimiter">,</span> { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span> <span class="string">'active'</span>: false });</div><div><span class="comment">// => objects for ['fred', 'pebbles']</span></div><div> </div><div><span class="comment">// The `_.matchesProperty` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropWhile</span>(users<span class="delimiter">,</span> [<span class="string">'active'</span><span class="delimiter">,</span> false]);</div><div><span class="comment">// => objects for ['pebbles']</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">dropWhile</span>(users<span class="delimiter">,</span> <span class="string">'active'</span>);</div><div><span class="comment">// => objects for ['barney', 'fred', 'pebbles']</span></div></pre></div>
</div>
<div>
<h3 id="fill"><a href="#fill" class="fa fa-link"></a><code>_.fill(array, value, [start=0], [end=array.length])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7202">source</a> <a href="https://www.npmjs.com/package/lodash.fill">npm package</a></p>
<p>Fills elements of <code>array</code> with <code>value</code> from <code>start</code> up to, but not
including, <code>end</code>.
<br>
<br>
<strong>Note:</strong> This method mutates <code>array</code>.</p>
<h4>Since</h4>
<p>3.2.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to fill.</li>
<li><code>value</code> <em>(*)</em>: The value to fill <code>array</code> with.</li>
<li><code>[start=0]</code> <em>(number)</em>: The start position.</li>
<li><code>[end=array.length]</code> <em>(number)</em>: The end position.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">fill</span>(array<span class="delimiter">,</span> <span class="string">'a'</span>);</div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => ['a', 'a', 'a']</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">fill</span>(<span class="support">Array</span>(<span class="numeric">3</span>)<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => [2, 2, 2]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">fill</span>([<span class="numeric">4</span><span class="delimiter">,</span> <span class="numeric">6</span><span class="delimiter">,</span> <span class="numeric">8</span><span class="delimiter">,</span> <span class="numeric">10</span>]<span class="delimiter">,</span> <span class="string">'*'</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">3</span>);</div><div><span class="comment">// => [4, '*', '*', 10]</span></div></pre></div>
</div>
<div>
<h3 id="findIndex"><a href="#findIndex" class="fa fa-link"></a><code>_.findIndex(array, [predicate=_.identity], [fromIndex=0])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7249">source</a> <a href="https://www.npmjs.com/package/lodash.findindex">npm package</a></p>
<p>This method is like <a href="#find"><code>_.find</code></a> except that it returns the index of the first
element <code>predicate</code> returns truthy for instead of the element itself.</p>
<h4>Since</h4>
<p>1.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>[predicate=_.identity]</code> <em>(Function)</em>: The function invoked per iteration.</li>
<li><code>[fromIndex=0]</code> <em>(number)</em>: The index to search from.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the found element, else <code>-1</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> users = [</div><div>  { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span>  <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'fred'</span><span class="delimiter">,</span>    <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'pebbles'</span><span class="delimiter">,</span> <span class="string">'active'</span>: true }</div><div>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">findIndex</span>(users<span class="delimiter">,</span> <span class="type">function</span>(o) { return o<span class="delimiter">.</span>user == <span class="string">'barney'</span>; });</div><div><span class="comment">// => 0</span></div><div> </div><div><span class="comment">// The `_.matches` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findIndex</span>(users<span class="delimiter">,</span> { <span class="string">'user'</span>: <span class="string">'fred'</span><span class="delimiter">,</span> <span class="string">'active'</span>: false });</div><div><span class="comment">// => 1</span></div><div> </div><div><span class="comment">// The `_.matchesProperty` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findIndex</span>(users<span class="delimiter">,</span> [<span class="string">'active'</span><span class="delimiter">,</span> false]);</div><div><span class="comment">// => 0</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findIndex</span>(users<span class="delimiter">,</span> <span class="string">'active'</span>);</div><div><span class="comment">// => 2</span></div></pre></div>
</div>
<div>
<h3 id="findLastIndex"><a href="#findLastIndex" class="fa fa-link"></a><code>_.findLastIndex(array, [predicate=_.identity], [fromIndex=array.length-1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7296">source</a> <a href="https://www.npmjs.com/package/lodash.findlastindex">npm package</a></p>
<p>This method is like <a href="#findIndex"><code>_.findIndex</code></a> except that it iterates over elements
of <code>collection</code> from right to left.</p>
<h4>Since</h4>
<p>2.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>[predicate=_.identity]</code> <em>(Function)</em>: The function invoked per iteration.</li>
<li><code>[fromIndex=array.length-1]</code> <em>(number)</em>: The index to search from.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the found element, else <code>-1</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> users = [</div><div>  { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span>  <span class="string">'active'</span>: true }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'fred'</span><span class="delimiter">,</span>    <span class="string">'active'</span>: false }<span class="delimiter">,</span></div><div>  { <span class="string">'user'</span>: <span class="string">'pebbles'</span><span class="delimiter">,</span> <span class="string">'active'</span>: false }</div><div>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">findLastIndex</span>(users<span class="delimiter">,</span> <span class="type">function</span>(o) { return o<span class="delimiter">.</span>user == <span class="string">'pebbles'</span>; });</div><div><span class="comment">// => 2</span></div><div> </div><div><span class="comment">// The `_.matches` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findLastIndex</span>(users<span class="delimiter">,</span> { <span class="string">'user'</span>: <span class="string">'barney'</span><span class="delimiter">,</span> <span class="string">'active'</span>: true });</div><div><span class="comment">// => 0</span></div><div> </div><div><span class="comment">// The `_.matchesProperty` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findLastIndex</span>(users<span class="delimiter">,</span> [<span class="string">'active'</span><span class="delimiter">,</span> false]);</div><div><span class="comment">// => 2</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">findLastIndex</span>(users<span class="delimiter">,</span> <span class="string">'active'</span>);</div><div><span class="comment">// => 0</span></div></pre></div>
</div>
<div>
<h3 id="flatten"><a href="#flatten" class="fa fa-link"></a><code>_.flatten(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7325">source</a> <a href="https://www.npmjs.com/package/lodash.flatten">npm package</a></p>
<p>Flattens <code>array</code> a single level deep.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to flatten.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new flattened array.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">flatten</span>([<span class="numeric">1</span><span class="delimiter">,</span> [<span class="numeric">2</span><span class="delimiter">,</span> [<span class="numeric">3</span><span class="delimiter">,</span> [<span class="numeric">4</span>]]<span class="delimiter">,</span> <span class="numeric">5</span>]]);</div><div><span class="comment">// => [1, 2, [3, [4]], 5]</span></div></pre></div>
</div>
<div>
<h3 id="flattenDeep"><a href="#flattenDeep" class="fa fa-link"></a><code>_.flattenDeep(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7344">source</a> <a href="https://www.npmjs.com/package/lodash.flattendeep">npm package</a></p>
<p>Recursively flattens <code>array</code>.</p>
<h4>Since</h4>
<p>3.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to flatten.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new flattened array.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">flattenDeep</span>([<span class="numeric">1</span><span class="delimiter">,</span> [<span class="numeric">2</span><span class="delimiter">,</span> [<span class="numeric">3</span><span class="delimiter">,</span> [<span class="numeric">4</span>]]<span class="delimiter">,</span> <span class="numeric">5</span>]]);</div><div><span class="comment">// => [1, 2, 3, 4, 5]</span></div></pre></div>
</div>
<div>
<h3 id="flattenDepth"><a href="#flattenDepth" class="fa fa-link"></a><code>_.flattenDepth(array, [depth=1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7369">source</a> <a href="https://www.npmjs.com/package/lodash.flattendepth">npm package</a></p>
<p>Recursively flatten <code>array</code> up to <code>depth</code> times.</p>
<h4>Since</h4>
<p>4.4.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to flatten.</li>
<li><code>[depth=1]</code> <em>(number)</em>: The maximum recursion depth.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new flattened array.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="numeric">1</span><span class="delimiter">,</span> [<span class="numeric">2</span><span class="delimiter">,</span> [<span class="numeric">3</span><span class="delimiter">,</span> [<span class="numeric">4</span>]]<span class="delimiter">,</span> <span class="numeric">5</span>]];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">flattenDepth</span>(array<span class="delimiter">,</span> <span class="numeric">1</span>);</div><div><span class="comment">// => [1, 2, [3, [4]], 5]</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">flattenDepth</span>(array<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => [1, 2, 3, [4], 5]</span></div></pre></div>
</div>
<div>
<h3 id="fromPairs"><a href="#fromPairs" class="fa fa-link"></a><code>_.fromPairs(pairs)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7393">source</a> <a href="https://www.npmjs.com/package/lodash.frompairs">npm package</a></p>
<p>The inverse of <a href="#toPairs"><code>_.toPairs</code></a>; this method returns an object composed
from key-value <code>pairs</code>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>pairs</code> <em>(Array)</em>: The key-value pairs.</li>
</ol>
<h4>Returns</h4>
<p><em>(Object)</em>: Returns the new object.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">fromPairs</span>([[<span class="string">'a'</span><span class="delimiter">,</span> <span class="numeric">1</span>]<span class="delimiter">,</span> [<span class="string">'b'</span><span class="delimiter">,</span> <span class="numeric">2</span>]]);</div><div><span class="comment">// => { 'a': 1, 'b': 2 }</span></div></pre></div>
</div>
<div>
<h3 id="head"><a href="#head" class="fa fa-link"></a><code>_.head(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7423">source</a> <a href="https://www.npmjs.com/package/lodash.head">npm package</a></p>
<p>Gets the first element of <code>array</code>.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Aliases</h4>
<p><em>_.first</em></p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(*)</em>: Returns the first element of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">head</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => 1</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">head</span>([]);</div><div><span class="comment">// => undefined</span></div></pre></div>
</div>
<div>
<h3 id="indexOf"><a href="#indexOf" class="fa fa-link"></a><code>_.indexOf(array, value, [fromIndex=0])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7450">source</a> <a href="https://www.npmjs.com/package/lodash.indexof">npm package</a></p>
<p>Gets the index at which the first occurrence of <code>value</code> is found in <code>array</code>
using <a href="http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons. If <code>fromIndex</code> is negative, it's used as the
offset from the end of <code>array</code>.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>value</code> <em>(*)</em>: The value to search for.</li>
<li><code>[fromIndex=0]</code> <em>(number)</em>: The index to search from.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the matched value, else <code>-1</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="support">indexOf</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span>]<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => 1</span></div><div> </div><div><span class="comment">// Search from the `fromIndex`.</span></div><div>_<span class="delimiter method">.</span><span class="support">indexOf</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span>]<span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => 3</span></div></pre></div>
</div>
<div>
<h3 id="initial"><a href="#initial" class="fa fa-link"></a><code>_.initial(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7476">source</a> <a href="https://www.npmjs.com/package/lodash.initial">npm package</a></p>
<p>Gets all but the last element of <code>array</code>.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">initial</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [1, 2]</span></div></pre></div>
</div>
<div>
<h3 id="intersection"><a href="#intersection" class="fa fa-link"></a><code>_.intersection([arrays])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7498">source</a> <a href="https://www.npmjs.com/package/lodash.intersection">npm package</a></p>
<p>Creates an array of unique values that are included in all given arrays
using <a href="http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons. The order and references of result values are
determined by the first array.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>[arrays]</code> <em>(...Array)</em>: The arrays to inspect.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of intersecting values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">intersection</span>([<span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span>]<span class="delimiter">,</span> [<span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => [2]</span></div></pre></div>
</div>
<div>
<h3 id="intersectionBy"><a href="#intersectionBy" class="fa fa-link"></a><code>_.intersectionBy([arrays], [iteratee=_.identity])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7528">source</a> <a href="https://www.npmjs.com/package/lodash.intersectionby">npm package</a></p>
<p>This method is like <a href="#intersection"><code>_.intersection</code></a> except that it accepts <code>iteratee</code>
which is invoked for each element of each <code>arrays</code> to generate the criterion
by which they're compared. The order and references of result values are
determined by the first array. The iteratee is invoked with one argument:<br>
<em>(value)</em>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>[arrays]</code> <em>(...Array)</em>: The arrays to inspect.</li>
<li><code>[iteratee=_.identity]</code> <em>(Function)</em>: The iteratee invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of intersecting values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">intersectionBy</span>([<span class="numeric">2<span class="delimiter">.</span>1</span><span class="delimiter">,</span> <span class="numeric">1<span class="delimiter">.</span>2</span>]<span class="delimiter">,</span> [<span class="numeric">2<span class="delimiter">.</span>3</span><span class="delimiter">,</span> <span class="numeric">3<span class="delimiter">.</span>4</span>]<span class="delimiter">,</span> <span class="support">Math</span><span class="delimiter">.</span>floor);</div><div><span class="comment">// => [2.1]</span></div><div> </div><div><span class="comment">// The `_.property` iteratee shorthand.</span></div><div>_<span class="delimiter method">.</span><span class="name">intersectionBy</span>([{ <span class="string">'x'</span>: <span class="numeric">1</span> }]<span class="delimiter">,</span> [{ <span class="string">'x'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">1</span> }]<span class="delimiter">,</span> <span class="string">'x'</span>);</div><div><span class="comment">// => [{ 'x': 1 }]</span></div></pre></div>
</div>
<div>
<h3 id="intersectionWith"><a href="#intersectionWith" class="fa fa-link"></a><code>_.intersectionWith([arrays], [comparator])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7563">source</a> <a href="https://www.npmjs.com/package/lodash.intersectionwith">npm package</a></p>
<p>This method is like <a href="#intersection"><code>_.intersection</code></a> except that it accepts <code>comparator</code>
which is invoked to compare elements of <code>arrays</code>. The order and references
of result values are determined by the first array. The comparator is
invoked with two arguments: <em>(arrVal, othVal)</em>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>[arrays]</code> <em>(...Array)</em>: The arrays to inspect.</li>
<li><code>[comparator]</code> <em>(Function)</em>: The comparator invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of intersecting values.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> objects = [{ <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">2</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">1</span> }];</div><div><span class="type">var</span> others = [{ <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">1</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">2</span> }];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">intersectionWith</span>(objects<span class="delimiter">,</span> others<span class="delimiter">,</span> _<span class="delimiter">.</span>isEqual);</div><div><span class="comment">// => [{ 'x': 1, 'y': 2 }]</span></div></pre></div>
</div>
<div>
<h3 id="join"><a href="#join" class="fa fa-link"></a><code>_.join(array, [separator=','])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7591">source</a> <a href="https://www.npmjs.com/package/lodash.join">npm package</a></p>
<p>Converts all elements in <code>array</code> into a string separated by <code>separator</code>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to convert.</li>
<li><code>[separator=',']</code> <em>(string)</em>: The element separator.</li>
</ol>
<h4>Returns</h4>
<p><em>(string)</em>: Returns the joined string.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="support">join</span>([<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span>]<span class="delimiter">,</span> <span class="string">'~'</span>);</div><div><span class="comment">// => 'a~b~c'</span></div></pre></div>
</div>
<div>
<h3 id="last"><a href="#last" class="fa fa-link"></a><code>_.last(array)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7609">source</a> <a href="https://www.npmjs.com/package/lodash.last">npm package</a></p>
<p>Gets the last element of <code>array</code>.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(*)</em>: Returns the last element of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="name">last</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">3</span>]);</div><div><span class="comment">// => 3</span></div></pre></div>
</div>
<div>
<h3 id="lastIndexOf"><a href="#lastIndexOf" class="fa fa-link"></a><code>_.lastIndexOf(array, value, [fromIndex=array.length-1])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7635">source</a> <a href="https://www.npmjs.com/package/lodash.lastindexof">npm package</a></p>
<p>This method is like <a href="#indexOf"><code>_.indexOf</code></a> except that it iterates over elements of
<code>array</code> from right to left.</p>
<h4>Since</h4>
<p>0.1.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code>value</code> <em>(*)</em>: The value to search for.</li>
<li><code>[fromIndex=array.length-1]</code> <em>(number)</em>: The index to search from.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the matched value, else <code>-1</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div>_<span class="delimiter method">.</span><span class="support">lastIndexOf</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span>]<span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => 3</span></div><div> </div><div><span class="comment">// Search from the `fromIndex`.</span></div><div>_<span class="delimiter method">.</span><span class="support">lastIndexOf</span>([<span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">1</span><span class="delimiter">,</span> <span class="numeric">2</span>]<span class="delimiter">,</span> <span class="numeric">2</span><span class="delimiter">,</span> <span class="numeric">2</span>);</div><div><span class="comment">// => 1</span></div></pre></div>
</div>
<div>
<h3 id="nth"><a href="#nth" class="fa fa-link"></a><code>_.nth(array, [n=0])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7671">source</a> <a href="https://www.npmjs.com/package/lodash.nth">npm package</a></p>
<p>Gets the element at index <code>n</code> of <code>array</code>. If <code>n</code> is negative, the nth
element from the end is returned.</p>
<h4>Since</h4>
<p>4.11.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code>[n=0]</code> <em>(number)</em>: The index of the element to return.</li>
</ol>
<h4>Returns</h4>
<p><em>(*)</em>: Returns the nth element of <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span><span class="delimiter">,</span> <span class="string">'d'</span>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">nth</span>(array<span class="delimiter">,</span> <span class="numeric">1</span>);</div><div><span class="comment">// => 'b'</span></div><div> </div><div>_<span class="delimiter method">.</span><span class="name">nth</span>(array<span class="delimiter">,</span> -<span class="numeric">2</span>);</div><div><span class="comment">// => 'c';</span></div></pre></div>
</div>
<div>
<h3 id="pull"><a href="#pull" class="fa fa-link"></a><code>_.pull(array, [values])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7698">source</a> <a href="https://www.npmjs.com/package/lodash.pull">npm package</a></p>
<p>Removes all given values from <code>array</code> using
<a href="http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#without"><code>_.without</code></a>, this method mutates <code>array</code>. Use <a href="#remove"><code>_.remove</code></a>
to remove elements from an array by predicate.</p>
<h4>Since</h4>
<p>2.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code>[values]</code> <em>(...*)</em>: The values to remove.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span><span class="delimiter">,</span> <span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">pull</span>(array<span class="delimiter">,</span> <span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'c'</span>);</div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => ['b', 'b']</span></div></pre></div>
</div>
<div>
<h3 id="pullAll"><a href="#pullAll" class="fa fa-link"></a><code>_.pullAll(array, values)</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7720">source</a> <a href="https://www.npmjs.com/package/lodash.pullall">npm package</a></p>
<p>This method is like <a href="#pull"><code>_.pull</code></a> except that it accepts an array of values to remove.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#difference"><code>_.difference</code></a>, this method mutates <code>array</code>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code>values</code> <em>(Array)</em>: The values to remove.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span><span class="delimiter">,</span> <span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'b'</span><span class="delimiter">,</span> <span class="string">'c'</span>];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">pullAll</span>(array<span class="delimiter">,</span> [<span class="string">'a'</span><span class="delimiter">,</span> <span class="string">'c'</span>]);</div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => ['b', 'b']</span></div></pre></div>
</div>
<div>
<h3 id="pullAllBy"><a href="#pullAllBy" class="fa fa-link"></a><code>_.pullAllBy(array, values, [iteratee=_.identity])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7749">source</a> <a href="https://www.npmjs.com/package/lodash.pullallby">npm package</a></p>
<p>This method is like <a href="#pullAll"><code>_.pullAll</code></a> except that it accepts <code>iteratee</code> which is
invoked for each element of <code>array</code> and <code>values</code> to generate the criterion
by which they're compared. The iteratee is invoked with one argument: <em>(value)</em>.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#differenceBy"><code>_.differenceBy</code></a>, this method mutates <code>array</code>.</p>
<h4>Since</h4>
<p>4.0.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code>values</code> <em>(Array)</em>: The values to remove.</li>
<li><code>[iteratee=_.identity]</code> <em>(Function)</em>: The iteratee invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [{ <span class="string">'x'</span>: <span class="numeric">1</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">3</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">1</span> }];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">pullAllBy</span>(array<span class="delimiter">,</span> [{ <span class="string">'x'</span>: <span class="numeric">1</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">3</span> }]<span class="delimiter">,</span> <span class="string">'x'</span>);</div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => [{ 'x': 2 }]</span></div></pre></div>
</div>
<div>
<h3 id="pullAllWith"><a href="#pullAllWith" class="fa fa-link"></a><code>_.pullAllWith(array, values, [comparator])</code></h3>
<p><a href="https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L7778">source</a> <a href="https://www.npmjs.com/package/lodash.pullallwith">npm package</a></p>
<p>This method is like <a href="#pullAll"><code>_.pullAll</code></a> except that it accepts <code>comparator</code> which
is invoked to compare elements of <code>array</code> to <code>values</code>. The comparator is
invoked with two arguments: <em>(arrVal, othVal)</em>.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#differenceWith"><code>_.differenceWith</code></a>, this method mutates <code>array</code>.</p>
<h4>Since</h4>
<p>4.6.0</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code>values</code> <em>(Array)</em>: The values to remove.</li>
<li><code>[comparator]</code> <em>(Function)</em>: The comparator invoked per element.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<div class="highlight js"><pre><div><span class="type">var</span> array = [{ <span class="string">'x'</span>: <span class="numeric">1</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">2</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">3</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">4</span> }<span class="delimiter">,</span> { <span class="string">'x'</span>: <span class="numeric">5</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">6</span> }];</div><div> </div><div>_<span class="delimiter method">.</span><span class="name">pullAllWith</span>(array<span class="delimiter">,</span> [{ <span class="string">'x'</span>: <span class="numeric">3</span><span class="delimiter">,</span> <span class="string">'y'</span>: <span class="numeric">4</span> }]<span class="delimiter">,</span> _<span class="delimiter">.</span>isEqual);</div><div><span class="name type console">console</span><span class="delimiter method">.</span><span class="support console">log</span>(array);</div><div><span class="comment">// => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]</span></div></pre></div>