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expression.html
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expression.html
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<!DOCTYPE html>
<html ng-app="">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title>Expression - AngularJS Test</title>
<style type="text/css">
.test-div {margin:15px;padding:15px;border:1px solid #ccc;}
</style>
</head>
<body>
<div class="test-div" ng-init="bgColor='lightblue'">
<input type="text" style="background-color:{{bgColor}}" ng-model="bgColor" value="{{bgColor}}" />
</div>
<div class="test-div" ng-init="num1=2;num2=5">
<p>积：{{num1 * num2}}</p>
<p>和：<span ng-bind="num1 + num2"></span></p>
</div>
<div class="test-div" ng-init="firstName='Neo';lastName='Huang'">
<p>FullName: {{firstName + " " + lastName}}</p>
<p>FullName: <span ng-bind="firstName + ' ' +lastName"></span></p>
</div>
<div class="test-div" ng-init="user={userName:'Neo',age:32}">
<p>User: {{user.userName}}</p>
<p>Age: <span ng-bind="user.age"></span></p>
</div>
<div class="test-div" ng-init="colors=['red','green','blue']">
<p>The first color is {{colors[0]}}</p>
<p>The last color is <span ng-bind="colors[2]"></span></p>
</div>
<script type="text/javascript" src="static/js/angular-1.5.8.js"></script>
<script type="text/javascript">
//Angular表达式基本形式：{{expression}} or ng-bind="expression"
//与JS表达式相似，Angular表达式可以包含文本、操作符和变量
//Angular Number,String,Object,Array like JS
//Angular表达式可以写在页面任何地方，Angular对其进行解析并返回结果
//Angular表达式支持过滤（Filter）,但不支持条件、循环和异常处理
//初始化变量通常放在Controller中，而不是使用ng-init指令
</script>
</body>
</html>