JavaScript (initial core language support)

JavaScript is a programming language that runs in browsers, usually through the <script> element. JavaScript has changed over many years. This feature represents the oldest language features, such as built-in objects, statements, and operators. Also known as ECMAScript. To learn more, see JavaScript — Dynamic client-side scripting at MDN.

Compatibility

• Chrome 5 Released on 2010-05-25
• Chrome Android 18 Released on 2012-06-27
• Edge 12 Released on 2015-07-29
• Firefox 1 Released on 2004-11-09
• Firefox for Android 4 Released on 2011-03-29
• Safari 5 Released on 2010-06-07
• Safari on iOS 4.2 Released on 2010-11-22