initialize
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小牛编辑
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2023-12-01
描述 (Description)
创建模型实例时,将调用类的构造函数,并通过定义initialize函数来调用它。
语法 (Syntax)
new Model(attributes, options)
参数 (Parameters)
attributes - 属性在创建模型的实例时定义模型的属性。
options - 这些是id,name等选项,在创建模型时与属性一起使用。
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">
MyModel = Backbone.Model.extend ({
initialize: function() {
document.write("Welcome to xnip..");
}
});
var mymodel = new MyModel;
</script>
</head>
<body></body>
</html>