clone
描述 (Description)
模型克隆用于创建模型的深层副本或将一个模型对象复制到另一个对象。
语法 (Syntax)
model.clone()
例子 (Example)
<!DOCTYPE html>
<html>
<head>
<title> Model 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 Person = Backbone.Model.extend();
var person = new Person ({
p_name: 'Sachin Tendulkar',
country: 'India'
});
var details = person.clone();
//output would be a deep clone of Person Model
document.write(JSON.stringify(details));
</script>
</head>
<body></body>
</html>
输出 (Output)
让我们执行以下步骤来查看上述代码的工作原理 -
将以上代码保存在clone.htm文件中。
在浏览器中打开此HTML文件。
