angular div 显示隐藏

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
div {
  transition: all linear 0.5s;
  background-color: lightblue;
  height: 100px;
  width: 100%;
  position: relative;
  top: 0;
  left: 0;
}
​
.ng-hide {
  height: 0;
  width: 0;
  background-color: transparent;
  top:-200px;
  left: 200px;
}
​
</style>
<script src="//cdn.staticfile.org/angular.js/1.4.6/angular.min.js"></script>
<script src="//cdn.staticfile.org/angular.js/1.4.6/angular-animate.min.js"></script>
</head>
<body ng-app="myApp">
​
<h1>隐藏 DIV: <input type="checkbox" ng-model="myCheck"></h1>
​
<div ng-hide="myCheck"></div>
​
<script>
var app = angular.module('myApp', ['ngAnimate']);
</script>
​
</body>
</html>
HTML