knockout 学习实例2 text
2024-10-09 23:07:57
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
Today‘s message is:<span data-bind="text:myMessage"></span> <script type="text/javascript">
var myViewModel = {
myMessage:ko.observable()
};
ko.applyBindings(myViewModel); setTimeout(function(){
myViewModel.myMessage("Hello, world!");
},2000);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
The item is <span data-bind="text: priceRating"></span> today. <script type="text/javascript">
var viewModel = {
price: ko.observable(24.95)
};
viewModel.priceRating = ko.pureComputed(function() {
return this.price() > 50 ? "expensive" : "affordable";
}, viewModel);
ko.applyBindings(viewModel);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
The item is <span data-bind="text: price() > 50 ? 'expensive' : 'affordable'"></span> today. <script type="text/javascript">
var viewModel = {
price: ko.observable(24.95)
};
ko.applyBindings(viewModel);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body> Today‘s message is:<span data-bind="text:myMessage"></span> <script type="text/javascript">
var viewModel = {
myMessage:ko.observable()
};
ko.applyBindings(viewModel);
viewModel.myMessage("<i>Hello, world!</i>");
</script>
</body>
</html>
这个是插不入文本不是html如果想插入html请吧text换成html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<ul data-bind="foreach: items">
<li><span data-bind="text:name"></span></li>
</ul> <script type="text/javascript">
var viewModel = {
items:ko.observableArray([{'name':"111"},{'name':"22222"}])
// items:[{'name':"111"},{'name':"22222"}]
};
ko.applyBindings(viewModel);
viewModel.items.push({name:'3333'})
</script>
</body>
</html>
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