knockout 第一个实例visible

<!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>

<div data-bind="visible:shouldShowMessage">

    You will see this message only when "shouldShowMessage" holds a ture

</div>

<script type="text/javascript">

var myViewModel = {

    shouldShowMessage:ko.observable(true)

};

ko.applyBindings(myViewModel);

setTimeout(function(){

myViewModel.shouldShowMessage(false);

},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>

<div data-bind="visible:myValues().length>0">

    You will see this message only when "myValues" holds a ture

</div>

<script type="text/javascript">

var myViewModel = {

    myValues:ko.observableArray([])

};

ko.applyBindings(myViewModel);

setTimeout(function(){

myViewModel.myValues.push("name");

},2000);

</script>

</body>

</html>

来源：

http://knockoutjs.com/documentation/visible-binding.html

巴特西

knockout 第一个实例visible

最新文章

热门文章