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<!DOCTYPE html><html><head><title>cola.util.KeyedArray</title><meta charset="utf-8"><meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1"><link rel="stylesheet" type="text/css" href="./resources/css.css"><link rel="stylesheet" type="text/css" href="./resources/doc.css"></head><body class="v-box"><div class="ui inverted menu doc-header box"><div class="ui header item">Cola UI API-v1.0.9</div><div class="right menu"><a id="showSidebarBtn" class="item"><i class="content icon"></i></a></div></div><div class="flex-box"><div class="row doc-body"><div id="toc" class="medium-3 large-2 columns"><div class="ui icon input fluid inverted transparent"><input id="searchInput" type="text" placeholder="搜索..."><i class="search icon"></i></div><div class="ui list"><a href="./$.html" class="item data-item">$</a><a href="./cola.html" class="item data-item">cola</a><a href="./cola.AbstractButton.html" class="item data-item">cola.AbstractButton</a><a 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data-item">cola.contants</a><a href="./cola.defaultAction.html" class="item data-item">cola.defaultAction</a><a href="./cola.device.html" class="item data-item">cola.device</a><a href="./cola.os.html" class="item data-item">cola.os</a><a href="./cola.steps.Step.html" class="item data-item">cola.steps.Step</a><a href="./cola.tab.AbstractTabButton.html" class="item data-item">cola.tab.AbstractTabButton</a><a href="./cola.util.html" class="item data-item">cola.util</a><a href="./cola.util.KeyedArray.html" class="item data-item active">cola.util.KeyedArray</a></div></div><div id="doc-content" class="small-12 medium-9 large-10 columns"><div style="height:100%" class="v-box"><div class="box"><h2 class="ui header">cola.util.KeyedArray</h2><div class="intro"><div class="sub header">KeyedArray</div><div class="description"><p>KeyedArray的作用类似于一个有序的Map表，他可以以有序的方式管理一组键值对。
</p></div></div><div class="ui pointing secondary menu"><a data-tab="properties" class="item active">Properties</a><a data-tab="methods" class="item">Methods</a></div></div><div class="flex-box"><div><div data-tab="properties" class="ui tab active"><div class="ui properties"><div class="item"><div data-key="size" class="item-header"><strong>size</strong><div class="type">number</div><em><a href="./undefined.html"><code></code></a></em></div><div class="item-body"><div class="label">集合中的元素数</div><pre class="description"></pre></div></div></div></div><div data-tab="methods" class="ui tab"><div class="ui methods"><div class="item"><div class="item-header"><strong>add</strong><span class="label">添加一个键值对</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="parameters"><div class="label">Parameters:</div><ul><li class="param"><span class="name ui label mini horizontal">key</span><span class="type">string</span><p class="desc">键值</p></li><li class="param"><span class="name ui label mini horizontal">element</span><span class="type">any</span><p class="desc">值</p></li></ul></div><div class="return"><span class="label">Returns:</span><span class="type">cola.util.KeyedArray</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>remove</strong><span class="label">删除一个键值对</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="parameters"><div class="label">Parameters:</div><ul><li class="param"><span class="name ui label mini horizontal">key</span><span class="type">string || number</span><p class="desc">键值或序号（从0开始）</p></li></ul></div><div class="return"><span class="label">Returns:</span><span class="type">any</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>get</strong><span class="label">返回一个值</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="parameters"><div class="label">Parameters:</div><ul><li class="param"><span class="name ui label mini horizontal">key</span><span class="type">string || number</span><p class="desc">键值或序号（从0开始）</p></li></ul></div><div class="return"><span class="label">Returns:</span><span class="type">any</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>getIndex</strong><span class="label">根据键值返回其在集合中的序号（从0开始）</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="parameters"><div class="label">Parameters:</div><ul><li class="param"><span class="name ui label mini horizontal">key</span><span class="type">string</span><p class="desc">键值</p></li></ul></div><div class="return"><span class="label">Returns:</span><span class="type">number</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>clear</strong><span class="label">清空集合</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="return"><span class="label">Returns:</span><span class="type">cola.util.KeyedArray</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>elements</strong><span class="label">返回包含所有值的数组</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="return"><span class="label">Returns:</span><span class="type">any</span></div><pre class="description"></pre></div></div><div class="item"><div class="item-header"><strong>each</strong><span class="label">迭代所有键值对</span><em><a href="./cola.util.KeyedArray.html"><code>cola.util.KeyedArray</code></a></em></div><div class="item-body"><div class="parameters"><div class="label">Parameters:</div><ul><li class="param"><span class="name ui label mini horizontal">fn</span><span class="type">function</span><p class="desc">此方法支持两个传入参数，第一个参数是当前迭代的值，第二个是当前迭代的键值。
如果我们在某此回调时返回了false，那么迭代过程会就此终止，类似于在循环体中使用了break。其他任何返回值或不定义返回值，迭代过程都将继续执行。
</p></li></ul></div><div class="return"><span class="label">Returns:</span><span class="type">cola.util.KeyedArray</span></div><pre class="description"></pre></div></div></div></div></div></div></div></div></div></div><div id="sidebar" c-widget="layer" class="ui layer"><div class="v-box"><div class="box"><div class="ui menu inverted"><a id="backButton" class="item icon"><i class="angle left icon"></i></a><div class="item"><div class="ui icon input transparent inverted"><input id="sidebarSearchInput" type="text" placeholder="搜索..."></div></div><a id="searchButton" class="item icon"><i class="search icon"></i></a></div></div><div class="flex-box"><div><div class="ui list"><a href="./$.html" class="item data-item">$</a><a href="./cola.html" class="item data-item">cola</a><a href="./cola.AbstractButton.html" class="item data-item">cola.AbstractButton</a><a href="./cola.AbstractCheckbox.html" class="item data-item">cola.AbstractCheckbox</a><a href="./cola.AbstractContainer.html" class="item 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