Angular 2 course
Angular2 yes Angular 1.x Upgraded version of , Performance has been significantly improved , Can well support Web Develop components .
Angular2 Published on 2016 year 9 month , It is based on ES6 To develop .
The basics of learning this tutorial
Angular2.x And Angular1.x The difference between
Operating conditions !
Due to the current environment （ Browser or Node） Temporarily not supported ES6 Your code , So I need some shim and polyfill（IE need ） Give Way ES6 The code written can be transformed into ES5 Form and can run normally in the browser .
As can be seen from the above figure, in Es5 The following module loaders are required under the browser ：
systemjs - Universal module loader , support AMD、CommonJS、ES6 And other formats JS Module loading .
es6-module-loader - ES6 Module loader ,systemjs This module will be loaded automatically .
traceur - ES6 Transcoder , Will ES6 Transcoding to the currently supported browser ES5 code ,systemjs Will automatically load This module .