JavaScript History
JavaScript (or Livescript as it was called back then) was invented by Brendan Eich of Netscape Communications, and its name was changed only when Java became a very fashionable Web term.
The first browser to support JavaScript was Netscape Navigator 2.0. It was then that Microsoft saw how useful a Web scripting language would be and released its own variant, called JScript 1.0, with the Internet Explorer 3.0 browser and Internet Information Server software. Microsoft's JScript 1.0 was pretty much compatible with Netscape's JavaScript 1.0, which meant that JavaScript written for one of the browsers had a very good (but not always 100%) chance of working as expected in the other browser.
Later, Netscape released JavaScript 1.1 ...
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