在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.org/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="">

<input ng-blur="count = count + 1" ng-init="count=0" />

<h1>{{count}}</h1>

<p>实例中 "count" 变量记录了失去焦点的次数。</p>

</body>
</html>

源代码

动行结果