BackboneJS - 模型克隆

說明

模型克隆用於建立模型的深度副本或將一個模型物件複製到另一個物件。

語法

model.clone()

示例

現場演示

<!DOCTYPE html>
<html>
   <head>
      <title> Model 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>
      
      <script type = "text/javascript">
         var Person  = Backbone.Model.extend();
         var person = new Person ({
            p_name: 'Sachin Tendulkar',
            country: 'India'
         });
         var details = person.clone();
         
         //output would be a deep clone of Person Model
         document.write(JSON.stringify(details));
      </script>
      
   </head>
   <body></body>
</html>

輸出

讓我們執行以下步驟，瞭解上述程式碼如何工作 −

將上述程式碼儲存到 clone.htm 檔案中。
在瀏覽器中開啟此 HTML 檔案。

backbonejs_model.htm

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