主干未定义错误

Backbone is not defined error

本文关键字：错误 未定义      更新时间：2023-12-25

尝试创建主干模型时出错。我添加了jquery、下划线和主干，但仍然有错误。

var Alco =  Backbone.Model.extend({
	defaults: {
		price: 100,
		name: "Vodka",
		description: "I don't know",
		img: "http://xo.kz/media/images/products/2016/02/i1g1_small_13.png"
	}
});
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
	<link rel="stylesheet" href="css/mainstyle.css">
	<script src="js/main.js" type="text/javascript"></script>
	<title> AlcoWiki </title>
</head>
<body>
	<script src="js/jquery-1.12.2.js" type="text/javascript"></script>
	<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
	<script src="js/backbone.js" type="text/javascript"></script>
</body>
</html>

如果所有引用的文件都在那里，并且正在加载，那么这应该可以在中工作

<!DOCTYPE html>
<html>
<head>
   <meta charset="utf-8">
   <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
   <link rel="stylesheet" href="css/mainstyle.css">
   <title> AlcoWiki </title>
</head>
<body>
   <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
   <script src="js/backbone.js" type="text/javascript"></script>
   <script src="js/main.js" type="text/javascript"></script>
</body>
</html>
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