Changes

The scripting langauge developed at Netscape was originally called LiveScript. Perhaps in an effort to bask in the reflected glory of Sun Microsystem's Java programming language, LiveScript was later renamed JavaScript, though in reality it bears little or no resemblance to Sun's Java.

A disagreement between Netscape and Microsoft over licensing ultimately led Microsoft to reverse engineer JavaScript and create their own version called JScript. Inevitably differences between the two variants of the language quickly appeared and linger to this day. In order to bring some predictability to JavaScript it was eventually standardized by the European Computer Manufacturers Association (ECMA). This standardized version of the language is,officially at least, referred to ECMAScript. In practice most people will always call it JavaScript, regardless of which browser or implmentation they developing for.