BackboneJS collection.sort()函數

排序集合中的項目並使用比較器屬性以對項目進行排序。

語法

collection.sort(options)

參數:

options: 包含可選的參數，如true或false來禁用或啟用排序。

示例

<!DOCTYPE html>
   <head>
      <title>Collection 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">
         var Player = Backbone.Model.extend();  //'Player' is a model name

         //The variable 'Players' contains the items which are to be displayed in the ascending order
         var Players = [
            {player: 'sachin',id: '44'},
            {player: 'ganguly',id: '22'},
            {player: 'dhoni',id:'33'}
          ];

          //'myteam' is a collection instance and model 'Player' is specified using model property
          var myteam = new Backbone.Collection(Players,{
             model:Player,

             //The comparator method is used to maintain the collection in sorted order
             comparator: 'player'
          });

          //display the sorted records, records are sorted based on player as we have set comparator to 'player'
          document.write("The sorted items are: ",JSON.stringify(myteam.toJSON()));
      </script>
   </body>
</html>

輸出

讓我們進行以下步驟來看看上麵的代碼工作：

Save above code in sort.html file
在瀏覽器打開這個HTML文件。