knockout 学习实例7 foreach
<!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>
<table>
<thead>
<tr><th>First name</th><th>Last name</th></tr>
</thead>
<tbody data-bind="foreach: people">
<tr>
<td data-bind="text: firstName"></td>
<td data-bind="text: lastName"></td>
</tr>
</tbody>
</table> <script type="text/javascript">
ko.applyBindings({
people: [
{ firstName: 'Bert', lastName: 'Bertington' },
{ firstName: 'Charles', lastName: 'Charlesforth' },
{ firstName: 'Denise', lastName: 'Dentiste' }
]
});
</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>
<h4>People</h4>
<ul data-bind="foreach: people">
<li>
Name at position <span data-bind="text: $index"> </span>:
<span data-bind="text: name"> </span>
<a href="#" data-bind="click: $parent.removePerson">Remove</a>
</li>
</ul>
<button data-bind="click: addPerson">Add</button> <script type="text/javascript">
function AppViewModel() {
var self = this; self.people = ko.observableArray([
{ name: 'Bert' },
{ name: 'Charles' },
{ name: 'Denise' }
]); self.addPerson = function() {
self.people.push({ name: "New at " + new Date() });
}; self.removePerson = function() {
self.people.remove(this);
}
} ko.applyBindings(new AppViewModel());
</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>
<h4>People</h4>
<ul data-bind="foreach: months">
<li>
The current item is: <b data-bind="text: $data"></b>
</li>
</ul> <script type="text/javascript">
ko.applyBindings({
months: [ 'Jan', 'Feb', 'Mar', 'etc' ]
});
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<ul data-bind="foreach: months">
<li>
The current item is: <b data-bind="text:$data.firstName"></b>
</li>
</ul> <script type="text/javascript">
ko.applyBindings({
months: [ {firstName:"你的名字"},{firstName:"你的"}] });
</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>
<ul data-bind="foreach: { data: categories, as: 'category' }">
<li>
<ul data-bind="foreach: { data: items, as: 'item' }">
<li>
<span data-bind="text: category.name"></span>:
<span data-bind="text: item"></span>
</li>
</ul>
</li>
</ul> <script>
var viewModel = {
categories: ko.observableArray([
{ name: 'Fruit', items: [ 'Apple', 'Orange', 'Banana' ] },
{ name: 'Vegetables', items: [ 'Celery', 'Corn', 'Spinach' ] }
])
};
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>
<ul>
<li class="header">Header item</li>
<!-- ko foreach: myItems -->
<li>Item <span data-bind="text: $data"></span></li>
<!-- /ko -->
</ul> <script type="text/javascript">
ko.applyBindings({
myItems: [ 'A', 'B', 'C' ]
});
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/jquery-3.0.0.js" type="text/javascript" charset="utf-8"></script>
<script src="js/knockout-3.4.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<ul data-bind="foreach: { data: myItems, afterAdd: yellowFadeIn }">
<li data-bind="text: $data"></li>
</ul> <button data-bind="click: addItem">Add</button> <script type="text/javascript">
ko.applyBindings({
myItems: ko.observableArray([ 'A', 'B', 'C' ]),
yellowFadeIn: function(element, index, data) {
$(element).filter("li")
.css({ 'backgroundColor': '#f00' })
// .animate({ backgroundColor: 'white' }, 800);
},
addItem: function() { this.myItems.push('New item'); }
});
</script>
</body>
</html>
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