HTML tutorial
CSS3 tutorial
Bootstrap tutorial
JavaScript tutorial
JQuery tutorial
AngularJS tutorial
React tutorial
NodeJS tutorial
PHP tutorial
Python tutorial
Python3 tutorial
Django tutorial
Linux tutorial
Docker tutorial
Ruby tutorial
Java tutorial
C tutorial
C ++ tutorial
Perl tutorial
JSP tutorial
Lua tutorial
Scala tutorial
Go tutorial
ASP.NET tutorial
C # tutorial
JavaScript was invented by Brendan Eich in 1995, and became an ECMA standard in 1997.ECMAScript is the official name of the language.ECMAScript versions have been abbreviated to ES1, ES2, ES3, ES5, and ES6.Since 2016 new versions are named by year (ECMAScript 2016 / 2017 / 2018).
Ver | Official Name | Description |
---|---|---|
ES1 | ECMAScript 1 (1997) | First edition |
ES2 | ECMAScript 2 (1998) | Editorial changes |
ES3 | ECMAScript 3 (1999) | Added regular expressions Added try/catch Added switch Added do-while |
ES4 | ECMAScript 4 | Never released |
ES5 | ECMAScript 5 (2009) Read More |
Added "strict mode" Added JSON support Added String.trim() Added Array.isArray() Added Array iteration methods Allows trailing commas for object literals |
ES6 | ECMAScript 2015 Read More |
Added let and const Added default parameter values Added Array.find() Added Array.findIndex() |
ECMAScript 2016 Read More |
Added exponential operator (**) Added Array.includes() |
|
ECMAScript 2017 Read More | Added string padding Added Object.entries() Added Object.values() Added async functions Added shared memory |
|
ECMAScript 2018 Read More |
Added rest / spread properties Added asynchronous iteration Added Promise.finally() Additions to RegExp |
This tutorial covers every version of JavaScript:
ECMAScript 1 - 6 is fully supported in all modern browsers.
Browser | Version | From Date |
---|---|---|
Chrome | 23 | Nov 2012 |
Firefox | 21 | May 2013 |
IE | 9* | Mar 2011 |
IE / Edge | 10 | Sep 2012 |
Safari | 6 | Jul 2012 |
Opera | 15 | Jul 2013 |
* Internet Explorer 9 does not support ECMAScript 5 "use strict".
Browser | Version | Date |
---|---|---|
Chrome | 51 | May 2016 |
Firefox | 52 | Mar 2017 |
Edge | 14 | Aug 2016 |
Safari | 10 | Sep 2016 |
Opera | 38 | Jun 2016 |
Internet Explorer does not support ECMAScript 2015.
Browser | Version | Date |
---|---|---|
Chrome | 52 | Jul 2016 |
Firefox | 54 | Jun 2017 |
Edge | 14 | Aug 2016 |
Safari | 10.1 | Mar 2017 |
Opera | 39 | Aug 2016 |