clone

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小牛编辑

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2023-12-01

描述 (Description)

模型克隆用于创建模型的深层副本或将一个模型对象复制到另一个对象。

语法 (Syntax)

model.clone()

例子 (Example)

<!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>