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JavaScript Versions

JavaScript Versions

The scripting language that you think of as JavaScript has several different names (depending on whose product you have) and almost a dozen different versions. Besides JavaScript, there's also JScript and ECMAScript. Here's a guide to what version does what.

Netscape's JavaScript

The first version of JavaScript, originally called LiveScript, was first released in Netscape Navigator 2.0. Netscape intended LiveScript to be a way to extend the capabilities of browsers, and to allow Web designers to add some interactivity to their sites. The JavaScript version in Navigator 2.0 is JavaScript 1.0.


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