无法读取属性'来自JS'外部viewmodel.js中未定义的

cannot read property 'fromJS' of undefined in external viewmodel.js

本文关键字：js viewmodel 未定义 外部 来自 读取 属性 JS      更新时间：2023-09-26

我一直收到错误：未捕获类型错误：无法读取未定义的属性"fromJS"这个想法是有两个页面，其中是ui表示，另一个是视图模型。我有2页：

Index.html

<link rel="stylesheet" href="bin/styles/kendo.common.min.css" />
<link rel="stylesheet" href="bin/styles/kendo.default.min.css" />
<link rel="stylesheet" href="bin/styles/kendo.dataviz.min.css" />
<link rel="stylesheet" href="bin/styles/kendo.dataviz.default.min.css" />
<script src="bin/js/jquery.min.js"></script>
<script src="bin/js/kendo.all.min.js"></script>
<script src="bin/knockout-3.2.0.js"></script>
<script src="bin/knockout.mapping-latest.js" type="text/html"></script>
<script src="IndexViewModel.js"></script>
<script>
    $(function() {
        var indexVM = new IndexViewModel.ViewModel();
        ko.applyBindings(indexVM);
    });
</script>

<table>
    <thead><tr>
        <th>First Name</th>
    </tr></thead>
    <tbody data-bind="foreach: Users">
        <tr>
            <td data-bind="text: UserName"/></td>
        </tr>
    </tbody>
</table>

和IndexViewModel.js:

var IndexViewModel = (function (IndexViewModel) {
IndexViewModel.ViewModel = function() {
    var self = this;
    self.Users = ko.observableArray();
    $.ajax({
        url : 'GetUsers.php',
        dataType: 'json',
        success: function(data){ //json string of the student records returned from the server
        self.Users = ko.mapping.fromJS(result.data, {}, self.Users);
        }
    });
}
    return IndexViewModel;
}(IndexViewModel || {}));

我做错了什么/错过了什么？

感谢

解决了问题。问题是

<script src="bin/knockout.mapping-latest.js" type="text/html"></script>

更改为：

<script src="bin/knockout.mapping-latest.js"></script>

起飞：type="text.html"

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