backbone.js集合tojson

本文概述

  • 参数说明
【backbone.js集合tojson】它使用JSON格式返回一个数组,该数组包含集合中每个模型的属性哈希。
句法:
collection.toJSON(options)

参数说明options:它包含选项作为集合实例,并将其转换为JSON格式。
让我们举个例子。
请参阅以下示例:
< !DOCTYPE html> < head> < title> toJSON Collection Example< /title> < script src="http://img.readke.com/220416/040623JV-0.jpg" type="text/javascript">< /script> < script src="http://img.readke.com/220416/0406232039-1.jpg" type="text/javascript">< /script> < script src="http://img.readke.com/220416/0406234263-2.jpg" type="text/javascript">< /script> < /head> < body> < script type="text/javascript"> //'Player' is a model and contains defualt value for the model var Player = Backbone.Model.extend({ defaults: { name: "Sachin" } }); //The 'PlayersCollection' is a collection instance and model 'Player' is specified by overriding the 'model' property var PlayersCollection = Backbone.Collection.extend({ model: Player }); $(function(){ var mycollection = new PlayersCollection(); //The set() method sets the values for the 'name' attribute mycollection.set([{name: 'Sania'}, {name: 'Virat'}, {name: 'Dhoni'} ]); //The JSON.stringify() method returns values of the collection in the JSON format document.write("The collection values are:", JSON.stringify(mycollection.toJSON())); }); < /script> < /body> < /html>

输出:
将上面的代码保存到tojson.html文件中,然后在新的浏览器中打开此文件。
backbone.js集合tojson

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