它唯一標(biāo)識模型實體,可以在創(chuàng)建或填充模型時在模型保存在服務(wù)器上時手動設(shè)置。
model.id
options:定義從模型中刪除時使用的id,name等參數(shù)。
<!DOCTYPE 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({
defaults: {
id: 26
}
});
var person = new Person();
document.write("Id of the model: ", person.get('id'));
</script>
</head>
<body></body>
</html>
Id of the model: 26
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