BackboneJS-Utility Backbone.noConflict



描述

它顯示 Backbone 物件的原始值,並允許儲存對 Backbone 的引用。

語法

var backbone=Backbone.noConflict();

示例

<!DOCTYPE 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>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script>
   </head>
   <body>
      <script>
         //It is reference to a last parsed verison of Backbone.js
         this.Backbone = {
            "Example for Backbone utility": true
         };
      </script>
      <script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.0/backbone-min.js"></script>
      <script type="text/javascript">
         //'Backbone.noConflict()' gives reference to a Backbone before last parsed version of Backbone was loaded
         var backboneParsed = Backbone.noConflict();

         //It looks for the previous version and logs 'true' on the browser
         document.write(Backbone["Example for Backbone utility"]);

         //It displays the version of the Backbone.js contained in the new 'backboneParsed' namespace
         document.write(backboneParsed.VERSION);
      </script>
   </body>
</html>

輸出

讓我們執行以下步驟來了解上述程式碼的工作原理

  • 將上述程式碼儲存在 **backbone-noConflict.htm** 檔案中

  • 在瀏覽器中開啟此 HTML 檔案。

廣告
© . All rights reserved.