Table of Contents
What is a Java Script
- JavaScript is easy to learn. JavaScript is the world’s most popular programming language.
- JavaScript is the programming language of the Web.
- JavaScript was invented by Brendan Eich in 1995.
Note: JavaScript is one of the 3 languages all web developers must learn:
1. HTML
2. CSS
3. JavaScript to program the behavior of web pages.
| Year | ECMA Browser |
|---|---|
| 1995 | JavaScript was invented by Brendan Each |
| 1996 | Netscape 2 was released with JavaScript 1.0 |
| 1997 | JavaScript became an ECMA standard (ECMA-262) |
| 1997 | ES1 ECMAScript 1 was released |
| 1997 | ES1 IE 4 was the first browser to support ES1 |
| 1998 | ES2 ECMAScript 2 was released |
| 1998 | Netscape 42 was released with JavaScript 1.3 |
| 1999 | ES2 IE 5 was the first browser to support ES2 |
| 1999 | ES3 ECMAScript 3 was released |
| 2000 | ES3 IE 5.5 was the first browser to support ES3 |
| 2000 | Netscape 62 was released with JavaScript 1.5 |
| 2000 | Firefox 1 was released with JavaScript 1.5 |
| 2008 | ES4 ECMAScript 4 was abandoned |
| 2009 | ES5 ECMAScript 5 was released |
| 2011 | ES5 IE 9 was the first browser to support ES5 * |
| 2011 | ES5 Firefox 4 was released with JavaScript 1.8.5 |
| 2012 | ES5 Full support for ES5 in Safari 6 |
| 2012 | ES5 Full support for ES5 in IE 10 |
| 2012 | ES5 Full support for ES5 in Chrome 23 |
| 2013 | ES5 Full support for ES5 in Firefox 21 |
| 2013 | ES5 Full support for ES5 in Opera 15 |
| 2014 | ES5 Full support for ES5 in all browsers |
| 2015 | ES6 ECMAScript 6 was released |
| 2016 | ES6 Full support for ES6 in Chrome 51 |
| 2016 | ES6 Full support for ES6 in Opera 38 |
| 2016 | ES6 Full support for ES6 in Edge 14 |
| 2016 | ES6 Full support for ES6 in Safari 10 |
| 2015 | ES6 Full support for ES6 in Firefox 52 |
| 2018 | ES6 Full support for ES6 in browsers |
JavaScript Do?
- JavaScript Can Change HTML Content
- JavaScript Can Change HTML Attribute Values
- JavaScript Can Change HTML Styles (CSS)
- JavaScript Can Hide HTML Elements
- JavaScript Can Show HTML Elements