JavaScript

https://developer.mozilla.org/en-US/docs/Web/JavaScript

Some Code Examples From 'Modern JavaScript Develop and Design'

http://www.larryullman.com/books/modern-javascript-develop-and-design/

Annotated ECMAScript 5.1

http://es5.github.io/#x8.2

JSONLint

http://jsonlint.com/

JavaScript Beautifier

http://jsbeautifier.org/

JavaScript Minifier

http://jscompress.com

Introducing JSON

http://www.json.org/

JavaScript on MSDN

https://msdn.microsoft.com/en-us/library/aa902517.aspx

ECMAScript Compatibility Table

http://kangax.github.io/compat-table/es5/

JavaScript and HTML DOM Reference

http://www.w3schools.com/jsref/default.asp

JavaScript Style Guides And Beautifiers

https://addyosmani.com/blog/javascript-style-guides-and-beautifiers/

JavaScript Style Guide and Coding Conventions

http://www.w3schools.com/js/js_conventions.asp

Truth, Equality and JavaScript

https://javascriptweblog.wordpress.com/2011/02/07/truth-equality-and-javascript/

HTML DOM Events

http://www.w3schools.com/jsref/dom_obj_event.asp

Choose Your Radius Wisely

http://courses.dce.harvard.edu/~cscie3/examples/week3/circleAreaExample/circleArea.html

CSS Selector Reference

http://www.w3schools.com/cssref/css_selectors.asp

cdnjs (Locate Libraries Using Search Crawl)

https://cdnjs.com/

The HTML 5 JavaScript API Index

http://html5index.org

AngularJS. Executing long-running tasks

http://stackoverflow.com/questions/27126955/angularjs-executing-long-running-tasks

Can I use

http://caniuse.com

Masonry

http://masonry.desandro.com/

Group div elements by dynamic class

http://stackoverflow.com/questions/19949400/group-div-elements-by-dynamic-class

http://jsfiddle.net/arunpjohny/H6wHR/

Jquery to Merge HTML Table Row for same group of data using rowsapn attribute

http://codedisplay.com/jquery-to-merge-html-table-row-for-same-group-of-data-using-rowsapn-attribute/

JavaScript SpellCheck

https://www.javascriptspellcheck.com/

Removing duplicates from an array with vanilla JavaScript

https://gomakethings.com/removing-duplicates-from-an-array-with-vanilla-javascript/