BackboneJS - Utility Backbone.$

更新于 2025/12/4 21:03:00

描述

它允许 Backbone 使用对象作为 DOM 库。

语法

Backbone.$ = $;

Example

<!DOCTYPE html>
<html>
   <head>
      <title>Utility Example</title>
      <script src = "https://code.jquery.com/jquery-2.1.3.min.js"
         type = "text/javascript"></script>
      
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"
         type = "text/javascript"></script>
   </head>
   
   <body>
      <script>
         //全局范围内为变量‘$’指定的值
         var $ = {version:'0.1.1',name:'Tutorialspoint'};
      </script>
      
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"
         type = "text/javascript"></script>
      
      <script type = "text/javascript">
         //设置Backbone加载后变量的值
         Backbone.$ = {version:'1.1.2',name:'Tutorialspoint'};

         //以 JSON 格式显示定义的值
         document.write("The values after loading Backbone are: "
            ,JSON.stringify(Backbone.$));
      </script>
      
   </body>
</html>