在线运行代码 - 菜鸟教程

<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">
        <title>菜鸟教程(cainiaoplay.com)</title>
        <link href="https://cdn.staticfile.org/ionic/1.3.2/css/ionic.css" rel="stylesheet">
        <script src="https://cdn.staticfile.org/ionic/1.3.2/js/ionic.bundle.min.js"></script>
        <script type="text/javascript">
          angular.module('starter', ['ionic'])

          .run(function($ionicPlatform) {
            $ionicPlatform.ready(function() {
              // Hide the accessory bar by default (remove this to show the accessory bar above the keyboard
              // for form inputs)
              if(window.cordova && window.cordova.plugins.Keyboard) {
                cordova.plugins.Keyboard.hideKeyboardAccessoryBar(true);
              }
              if(window.StatusBar) {
                StatusBar.styleDefault();
              }
            });
          })

          .controller( 'actionsheetCtl',['$scope','$timeout' ,'$ionicBackdrop',function($scope,$timeout,$ionicBackdrop){

              $scope.action = function() {
                 $ionicBackdrop.retain();
                 $timeout(function() {    //默认让它1秒后消失
                   $ionicBackdrop.release();
                 }, 1000);
              }; 
          }])
        </script>
    </head>
    <body ng-app="starter" ng-controller="actionsheetCtl" >
    <ion-pane>
        <ion-content >
            <h2 ng-click="action()">$ionicBackdrop</h2>
        </ion-content>
    </ion-pane>
  </body>
</html>
源代码

动行结果
