ECMA (European Computer Manufacturer's Association)

ECMA (European Computer Manufacturer's Association) is a Standard for a scripting languages. JavaScript is based on the ECMAScript standard. ECMA Standard is based on several originating technologies (e.g. JavaScript (Netscape) and JScript (Microsoft)).
JavaScript is Standardized at ECMA International for standardizing information and communication systems to deliver a standardized, international programming language based on JavaScript. This standardized version of JavaScript, called ECMAScript, behaves the same way in all applications that support the standard. Companies must follow ECMA Standard to develop their implementation of JavaScript.


ECMAScript specification is a set of requirements for implementing ECMAScript. JavaScript, JScript and ActionScript languages are based on ECMAScript specification.