如何在单页中使用两个Ko.Applybindings方法？当我添加两个Applybindings我的代码不工作？并且无法追踪例外情况..
< html>
< script type ='text / javascript'src ='js / knockout-3.1.0.js'>< / script>
< body>
< form data-bind =submit：addItem>
新项目：
< input data-bind ='value ：itemToAdd，valueUpdate：afterkeydown'/>
< button type =submitdata-bind =enable：itemToAdd（）。length> 0> Add< / button> ;
< p>您的商品：< / p>
< select multiple =multiplewidth =50data-bind =options：items > < / select>
< / form>
------------------------ ------------------------------------
< div>你'点击了< span data-bind ='text：numberOfClicks'>& nbsp;< / span>时间< / div>
< button data-bind ='click：registerClick，disable：hasClickedTooManyTimes'>点击我< / button>
< div data-bind ='可见：hasClickedTooManyTimes'>
点击次数过多！请在手指磨损之前停止。
< button data-bind ='click：resetClicks'>重置点击次数< / button>
< / div>
< / body>
< / html>
< script type ='text / javascript'>
var ClickCounterViewModel = function（）{
this.numberOfClicks = ko.observable（2）;
this.registerClick = function（）{
this.numberOfClicks（this.numberOfClicks（）+ 1）;
} ;
this.resetClicks = function（）{
this.numberOfClicks（0）;
};
this.hasClickedTooManyTimes = ko.computed（function（）{
返回this.numberOfClicks（）> = 10;
}，这个）;
};
ko.applyBindings（new ClickCounterViewModel（））;
var SimpleListModel = function（items）{
this.items = ko.observableArray（items）;
this.itemToAdd = ko.observable（）;
this.addItem = function（）{
if（this.itemToAdd（）！=）{
this.items.push（this.itemToAdd（））; //添加项目。写入itemsobservableArray会导致任何关联的UI更新。
this.itemToAdd（）; //清除文本框，因为它绑定到itemToAdd可观察状态
}
} .bind（this）; //确保this始终是此视图模型
};
ko.applyBindings（new SimpleListModel（[Alpha， Beta，Gamma]））;
< / script>
<html>
<script type='text/javascript' src='js/knockout-3.1.0.js'></script>
<body>
<form data-bind="submit: addItem">
New item:
<input data-bind='value: itemToAdd, valueUpdate: "afterkeydown"' />
<button type="submit" data-bind="enable: itemToAdd().length > 0">Add</button>
<p>Your items:</p>
<select multiple="multiple" width="50" data-bind="options: items"> </select>
</form>
------------------------------------------------------------
<div>You've clicked <span data-bind='text: numberOfClicks'> </span> times</div>
<button data-bind='click: registerClick, disable: hasClickedTooManyTimes'>Click me</button>
<div data-bind='visible: hasClickedTooManyTimes'>
That's too many clicks! Please stop before you wear out your fingers.
<button data-bind='click: resetClicks'>Reset clicks</button>
</div>
</body>
</html>
<script type='text/javascript'>
var ClickCounterViewModel = function() {
this.numberOfClicks = ko.observable(2);
this.registerClick = function() {
this.numberOfClicks(this.numberOfClicks() + 1);
};
this.resetClicks = function() {
this.numberOfClicks(0);
};
this.hasClickedTooManyTimes = ko.computed(function() {
return this.numberOfClicks() >= 10;
}, this);
};
ko.applyBindings(new ClickCounterViewModel());
var SimpleListModel = function(items) {
this.items = ko.observableArray(items);
this.itemToAdd = ko.observable("");
this.addItem = function() {
if (this.itemToAdd() != "") {
this.items.push(this.itemToAdd()); // Adds the item. Writing to the "items" observableArray causes any associated UI to update.
this.itemToAdd(""); // Clears the text box, because it's bound to the "itemToAdd" observable
}
}.bind(this); // Ensure that "this" is always this view model
};
ko.applyBindings(new SimpleListModel(["Alpha", "Beta", "Gamma"]));
</script>