srcmini本文概述
Backbone.js未设置模型用于从主干模型中删除属性。
句法：
model.unset(attribute)参数说明
属性：它定义了所创建模型的属性。
让我们举个例子。
请参阅以下示例：
<!DOCTYPE html>
<head>
<title> Unset 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>
<script type="text/javascript">
var Company = Backbone.Model.extend();
var company=new Company();
company.set({ comp_name: "SSSIT.Org"});
document.write("<b>Before using unset method , Company name is:</b> ", company.get('comp_name'));
company.unset('comp_name');
document.write("<br>");
document.write("<b>After unset, Company name is:</b>", company.get('comp_name'));
</script>
</head>
</html>输出：
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