__ECMAScript__ (or __ES__) is a general-purpose programming language, standardised by Ecma International according to the document ECMA-262 
.
It is a JavaScript standard meant to ensure the interoperability of web pages across different web browsers. ECMAScript is commonly used for client-side scripting on the World Wide Web, and it is increasingly being used for writing server applications and services using Node.js - wikipedia
# Features
The ECMAScript language includes structured programming, dynamic programming language, functional programming, and prototype-based programming features - wikipedia
# 6th Edition – ECMAScript 2015
The complete list is extensive. As the first "ECMAScript Harmony" specification, it is also known as "ES6 Harmony." - wikipedia
# Sections
# See also