コレクションの並べ替えコマンドは、コレクション内のアイテムを並べ替え、 comparator プロパティを使用してアイテムを並べ替えます。
collection.sort(options)オプション-ソートを無効または有効にするtrueまたはfalseなどのオプションのパラメータが含まれています。
<!DOCTYPE html>
<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>上記のコードがどのように機能するかを確認するために、次の手順を実行してみましょう-
