BackboneJS view.attributes

这些属性散列为HTML DOM元素上视图的el 属性将被设置(ID,类,数据属性等), 或者一个函数,返回这样的哈希值。

语法

view.attributes

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>
   <body>
      <div id="myapp"></div>
      <script type="text/javascript">
         //'MyModel' is a model name and includes default value
         var MyModel = Backbone.Model.extend({
            defaults: {
               name: "sachin tendulkar"
            }
         });

         //'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("View is initialized..."+"<br>");

               //gets site name by using model instance
               document.write("The site is: ",this.model.get("Site")+"<br>");
               document.write("The tag name is: ",this.tagName+"<br>");
               document.write("The class name is: ",this.className);
            },
         });
         $(function () {

            //'mymodel' is an instance of the model
            var mymodel = new MyModel({ Site: "e-learn" });

            //'myview' is an instance of the view class with attributes model, tagName, className
            var myview = new ViewDemo({ model: mymodel, tagName: "mytag", className: "myclass"});
         })
      </script>
   </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attributes.html

  • 在浏览器打开这个HTML文件。