What is Javascript

JavaScript is the scripting language of the Web. Today, JavaScript is the most used on Web pages to add functionality for communication with server or validate forms or controlling the clicks and other things on the web pages. JavaScript also know with many names such as Mocha, LiveScript,  JScript and  ECMAScript. Virtually every personal computer in the world has at least one JavaScript interpreter installed on it and in active use. JavaScript’s popularity is due entirely to its role as the scripting language of the WWW.

History of Name

JavaScript was originally developed by Brendan Eich of Netscape under the name Mocha, which was later renamed to LiveScript and in the last movements finally to JavaScript. LiveScript was the official name for the language when it first shipped in beta releases of Netscape Navigator 2.0 in September 1995, but it was renamed JavaScript in a joint announcement with Sun Microsystems on December 4, 1995.

The change of name from LiveScript to JavaScript roughly coincided with Netscape adding support for Java technology in Netscape web browser. The final choice of name caused confusion with many people who the language was a spin-off of Java. It was also said that language name is a co-marketing deal between Netscape and Sun. JavaScript gained widespread success as a client side scripting language for the web. Microsoft has adopted the same and also name JScript to avoid trademark issues. In November, 1996, Netscape announced it has submitted JavaScript to Ecma International for consideration as an industry standard, and subsequent work resulted in the standardized version named EMCAScript. JavaScript has become one of the most popular programming languages on the web. The advent of Ajax returned JavaScript to the spotlight and brought more professional programming attention. The result was a proliferation of comprehensive improved JavaScript programming practices, and increased usage of JavaScript outside of web browsers, as seen by the proliferation of server-side JavaScript platforms. In January 2009 the CommonJS project was founded with the goal of specifying a common standard library mainly for JavaScript development outside the browser.

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