backbone.js集合get

本文概述

  • 参数说明
Backbone.js集合的get方法用于从集合中检索模型,该模型由id,Cid或传入模型指定。
句法:
collection.get(id)

参数说明id:用于从集合中获取模型。
【backbone.js集合get】让我们举个例子。
请参阅以下示例:
< !DOCTYPE html> < head> < title>Get Collection Example< /title> < script src="http://img.readke.com/220416/043U5H50-0.jpg" type="text/javascript">< /script> < script src="http://img.readke.com/220416/043U560X-1.jpg" type="text/javascript">< /script> < script src="http://img.readke.com/220416/043U5IC-2.jpg" type="text/javascript">< /script> < /head> < body> < script type="text/javascript"> var MyCollection = new Backbone.Collection(); //The on() method binds callback function to 'MyCollection' instance and invokes whenever an event triggers MyCollection.on("change:title", function(model) {//When event triggers, it retrieves the title from the collection document.write("srcmini-- " + model.get('title')); }); MyCollection.add({id: 2}); //adds id value as 2 in the collection//The 'myvalues' object gets the 'MyCollection' with id = 2 var myvalues = MyCollection.get(2); //Sets the value for the title myvalues.set('title', 'A Solution of All Technology.'); < /script> < /body> < /html>

输出:
将以上代码保存在get.html文件中,然后在新的浏览器中打开该文件。
backbone.js集合get

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