BackboneJS collection.set()方法

用來設置在一個模型項以更新集合。如果找到任何新的模型，該項目將被添加到該模型。

語法

collection.set(models,options)

參數:

models: 包括集合以及值的一個實例到集合設置
options: 包括參數，如標識，名字等，以在集合中設置的值。

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">
         //Here the model name is 'Player' and contains default value
         var Player = Backbone.Model.extend({
            defaults: {
               name: 'sachin'
            },
         });

         //'PlayersCollection' is an instance of collection
         var PlayersCollection = Backbone.Collection.extend({
            model: Player  //model 'Player' is specified by using model property
         });
         var player1 = new Player({ name: "dhoni" });  //'player1' is instance of the model
         var mycollection = new PlayersCollection();   //'mycollection' is instance of the collection
         mycollection.add(player1);                    //adding model instance 'player1' along with value to the collection

         //The set() method update the 'player1' model by passing this value in the collection
         mycollection.set([player1, { name: "raina" }]);
         document.write(JSON.stringify(mycollection.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：

保存上述代碼在文件set.html
在瀏覽器打開這個HTML文件。