BackboneJS view.el

定义了元素用作视图参考。this.el 如果从视图指定创建标记名类名,ID和属性的属性。如果没有指定,el是一个空的div。

语法

view.el

示例

<!DOCTYPE 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>
      <script type="text/javascript">
         //'ViewDemo' is a name of the view class
         ViewDemo = Backbone.View.extend({

         //This function gets called when the view is instantiated
            initialize: function(){
               document.write("Hello !!!! This is el property...");
             }
         });

         //'viewdemo' is a instance of the 'ViewDemo' class
         var viewdemo = new ViewDemo({ el: $("/backbonejs/backbonejs_view.htmlmyapp") });
      </script>
   <body>
       <div id="myapp"></div>
   </body>
</html>

输出

让我们进行以下步骤来看看上面的代码工作:

  • 保存上述代码到文件el.html

  • 在浏览器打开这个HTML文件。