render

优质

小牛编辑

131浏览

2023-12-01

描述 (Description)

它包含用于呈现构建视图的模板的逻辑。

语法 (Syntax)

view.render()

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>
      <div id = "mydiv"></div>
      <script type = "text/javascript">
         //'ViewDemo' is a name of the view class
         var ViewDemo = Backbone.View.extend ({
            //'el' uses '#mydiv' as the view reference
            el: $('#mydiv'),
            //'template' provides access to instance data when rendering the view
            template: _.template("Welcome to <%= name %>"),
            //This function is called when the view is instantiated
            initialize: function() {
               this.render();
            },
            //'render' provides the logic required to construct the view
            render: function() {
               //'$el' is cached object that push the content defined within it and
               //display the value of 'name' when 'template' access the data
               this.$el.html(this.template({name: 'xnip...!'}));
            }
         });
         //'myview' is an instance of the 'ViewDemo' class
         var myview = new ViewDemo();
      </script>
   </body>
</html>