initialize

优质

小牛编辑

128浏览

2023-12-01

描述 (Description)

它使用new关键字实例化视图，并在首次创建视图时调用。

语法 (Syntax)

new View(options)

参数 (Parameters)

options - 这些是可选参数，可以是model，collection，el，id，className，tagName，attributes和events。

例子 (Example)

<!DOCTYPE html>
<html>
   <head>
      <title>View 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 type = "text/javascript">
         //'ViewDemo' is a name of the view class
         var ViewDemo = Backbone.View.extend ({
            //This function is called when the view is instantiated
            initialize:function() {
               document.write('Welcome to xnip!!!');
            }
         });
         //'myview' is an instance of the view 'ViewDemo'
         var myview = new ViewDemo();
      </script>
   </body>
</html>