Dialect of programming language ECMAScript

JavaScript is a scripting programming language which was the base for creating ECMAScript standard and became its most popular dialect.

JavaScript was created by Netscape and made available to public in December 1995 as a part of Netscape Navigatorweb-browser (the implementation is called SpiderMonkey). The language gained popularity fast and is now supported by all major web-browsers.

The most common use of JavaScript is writing client-side of web applications. This allows creating dynamic pages and advanced user interfaces. There also exists a variety of implementations which do not target web.