Knockout.js Text绑定

时间:2022-08-11 11:54:00
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="js/jquery-1.11.1.min.js"></script>
<script src="js/knockout-3.3.0.js"></script>
<script>
var viewModel = {
myMessage: ko.observable()
}; var viewModel1 = {
price: ko.observable(24.95)
}; viewModel1.priceRating = ko.pureComputed(function () {
return this.price() > 50 ? "expensive" : "affordable";
}, viewModel1); $(function () {
viewModel.myMessage("Hello, world!");
viewModel1.price(51);
ko.applyBindings(viewModel, $("#no1")[0]);
ko.applyBindings(viewModel1, $("#no2")[0]);
}) </script>
</head>
<body>
Today's message is: <span id="no1" data-bind="text: myMessage"></span>
<br />
The item is <span id="no2" data-bind="text: priceRating"></span>today.
</body>