JavaScript history
1. born in 1995, at first just to be responsible for dealing with some form of server-side validation.
2. In the era of the vast majority of users are using Internet regulator, the user submits a form to wait 10s, complete the submission verification, at the time if the client can complete a basic verification is definitely exciting.
3. At that time walking in the forefront of technological innovation Netscape (Netscape) company decided to set out to develop a client-side language used to deal with this form validation.
4. Brandon Archer worked at Netscape with 10 days to complete, published in February 1995 LiveScript while using the browser and the server
5. Netscape and Sun formed a development alliance, Netscape in order to catch a ride sizzling Java, JavaScript renamed the LiveScript
6.JavaScript1.0 was a great success, followed by Netscape released Netscape browser in JavaScript1.1
7. realization of JavaScript called JScript join Microsoft as IE3 sleep in their own competitors. At that time the market means that there are three different versions of JavaScript. IE's JScript, JavaScript and Netscape ScriptEase in CEnvi.
8. With the exposure of different versions of the problem growing, JavaScript specification was put on the agenda
9. In 1997, JavaScript1.1 modeled on the recommendations submitted to the ECMA (European Computer Manufacturers Association), after several months of efforts to complete the ECMA-262-- defines a new script named the ECMAScript
JavaScript implementation
1.ECMAScript (core)
2.DOM (Document Object Model)
3.BOM (Browser Object Model)