[英]Backbone.js - error loading script
我的html标头中包含jquery.js,boneer.js,underscore.js(我可以从浏览器中看到这些文件)
<script type='text/javascript'>
(function($){
var Student= Backbone.Model.extend({
initialize: function(){
console.log("studentis createrd");
}
});
var students= Backbone.Collection.extend({
model: Student
});
console.log(students.models);
})(jQuery);
</script>
我收到此错误消息
UPDATE :html标头
<script src="/static/js/jquery.js" type="text/javascript"> </script>
<script src="/static/js/backbone.js" type="text/javascript"></script>
<script src="/static/js/underscore.js" type="text/javascript"></script>
首先,您需要确保Backbone已正确加载-
顺序应该是
---> jQuery
---> underscore
---> backbone
接下来需要创建集合的新实例
创建模型或集合的实例之前,不能直接对其进行操作。
(function ($) {
var Student = Backbone.Model.extend({ // Created a Student model
initialize: function () {
console.log("studentis createrd");
}
});
var Students = Backbone.Collection.extend({ // Create a Students collection
model: Student
});
var student = new Student(); // Create a instance of Student model
var students = new Students(); // New instance of Students collection
students.add(student); // Add a model to the collection
console.log(students.models);
})(jQuery);
我认为您还需要将主干作为参数与jQuery一起传递给您的函数
<script type='text/javascript'>
(function($,Backbone){
var Student= Backbone.Model.extend({
initialize: function(){
console.log("studentis createrd");
}
});
var students= Backbone.Collection.extend({
model: Student
});
console.log(students.models);
})(jQuery,Backbone);
</script>
根据我的评论:
您何时导入骨干文件?
Backbone依赖于下划线才能工作,因此您需要具有Jquery-> Underscore-> Backbone才能正确加载主干。
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