请看看我的文字.我尝试使用oboutableArray of knockoutjs和foreach来计算数组的数据.示例1工作正常:如果更改字段中的数据,则计算总和.但是示例2不起作用.
<html>
<head>
<title></title>
<script type='text/javascript' src='/js/jquery-1.8.2.min.js'></script>
<script type='text/javascript' src='/js/knockout-2.1.0.debug.js'></script>
</head>
<body>
<p>Example 1</p>
<div>
<p>
<input data-bind="value: fnum1" />
<input data-bind="value: fnum2" />
<span data-bind="text: ftotsum"></span>
</p>
</div>
<p>Example 2</p>
<div>
<p>
<!-- ko foreach: fields -->
<input data-bind="value: $data" />
<!-- /ko -->
<span data-bind="text: ltotsum"></span>
</p>
</div>
</body>
<script>
function vm(){
//Calc Example 1
var self = this;
self.fnum1 = ko.observable(1);
self.fnum2 = ko.observable(2);
self.ftotsum = ko.computed(function(){
return parseFloat(self.fnum1()) + parseFloat(self.fnum2());
});
//Calc Example 2 …