extend

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2023-12-01

描述 (Description)

它用于扩展backbone.Model类，同时创建自己的骨干模型。

语法 (Syntax)

Backbone.Model.extend(properties, [classProperties])

参数 (Parameters)

properties - 它提供Model类的实例属性。
classProperties - 类属性附加到构造函数。

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">
         MyModel = Backbone.Model.extend ({
            initialize: function() {
               document.write("Welcome to xnip..");
            }
         });
         var mymodel = new MyModel;
      </script>
   </head>
   <body></body>
</html>