<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="/js/angular.js1.4.6/angular.min.js"></script>
</head>
<body ng-app="">
<p>鼠标双击标题:</p>
<h1 ng-dblclick="count = count + 1" ng-init="count=0">Welcome</h1>
<p>双击了 {{count}} 次。</p>
<p>计数变量 "count" 在每次鼠标双击标题后加 1。</p>
</body>
</html>