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freeCodeCamp/guide/chinese/angularjs/index.md
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---
title: AngularJS
localeTitle: AngularJS
---
## AngularJS
![alt text](https://angular.io/assets/images/logos/angular/angular.png)
AngularJS版本1.x是一个开源的前端JavaScript框架。 AngularJS扩展了HTML以开发丰富而强大的前端。 它减少了HTML代码的重复使用。通过使用AngularJS提供的保存指令可以避免这种重复 很多时间和精力。
**安装**
安装node.js
安装完毕检查node.js的版本运行如下代码
```shell
node --version
```
通过Node.js的npm命令安装最新版本的npm/bower
```shell
npm install -g npm
npm install -g bower
```
通过npm安装:
```shell
npm install angular
```
HTML:
```html
<script src="/node_modules/angular/angular.js"></script>
```
通过bower安装:
```shell
bower install angular
```
HTML:
```html
<script src="/bower_components/angular/angular.js"></script>
```