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ECMAScript
ECMAScript (or ES) is a client-side scripting language specification that is the basis of several programming languages including JavaScript, ActionScript, and JScript. It specifies the core features that a scripting language should provide and how those features should be implemented.
| First released | 1997 |
| Developed by | Ecma International after the organization adopted JavaScript |
| Latest stable version | ECMAScript 12 |
| Open-source | Yes |
| Used by | all websites |
Interesting facts
JavaScript was invented by Brendan Eich in 1995, and became an ECMA standard in 1997. ECMA-262 is the official name of the standard. ECMAScript is the official name of the language.
ECMAScript version numbers run from 1 to 7. ECMAScript 4 was never released.