JavaScript was initially developed in 1996 for use in the Netscape Navigator browser. In the same year Microsoft released an implementation for Internet Explorer. This implementation was called JScript due to trademark issues.

1.8.5 Version

Version shipped in Firefox 4. Released July 27, 2010. Includes many new features for ECMA-262 Edition 5 compliance. This is the last JavaScript version.

1.8.1 Version

Version shipped in Firefox 3.5. Released on June 30, 2009. Includes the TraceMonkey JIT and supports native JSON.

1.8 Version

Version shipped in Firefox 3. Released in June 2008. Includes expression closures, generator expressions and Array.reduce()

1.7 Version

Version shipped in Firefox 2. Released in October 2006. Includes generators, iterators, array comprehensions, let expressions, and destructuring assignment.

1.6 Version

Version shipped in Firefox 1.5. Released in November 2005. Includes ECMAScript for XML (E4X), new Array methods plus String and Array generics.

1.5 Version

Version shipped in Netscape Navigator 6.0 and Firefox 1.0. Release on November 14, 2000. Standardization work to be compliant with ECMA-262 3rd Edition.

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4 Things You Need To Know About JavaScript

  • JavaScript, not to be confused with Java, was created in 10 days in May 1995 by Brendan Eich, then working at Netscape and now of Mozilla. .”

  • In 1996 - 1997 JavaScript was taken to ECMA to carve out a standard specification, which other browser vendors could then implement based on the work done at Netscape..”

  • The next major event was in 2005, with two major happenings in JavaScript’s history. First, Brendan Eich and Mozilla rejoined Ecma as a not-for-profit member and work started on E4X, ECMA-357 ”

  • All of this then brings us to today, with JavaScript entering a completely new and exciting cycle of evolution, innovation and standardisation, with new developments such as the Nodejs platform, allowing us to use JavaScript on the server-side, and HTML5 APIs to control user media”