Javascript 当在下拉列表上单击列表中的值时,如何使用Sharepoint上的Knockout使div可见? 应用程序:
有了这个,我想让你明白Javascript 当在下拉列表上单击列表中的值时,如何使用Sharepoint上的Knockout使div可见? 应用程序:,javascript,jquery,sharepoint,knockout.js,Javascript,Jquery,Sharepoint,Knockout.js,有了这个,我想让你明白 Application: <select data-bind="value: $data.selectedApp, options: $parent.applications, optionsText: 'ApplicationName', optionsCaption: 'Choose an Application'" style="width: 32px" name="Application list" id="dataBox"> </select
Application:
<select data-bind="value: $data.selectedApp, options: $parent.applications, optionsText: 'ApplicationName', optionsCaption: 'Choose an Application'" style="width: 32px" name="Application list" id="dataBox">
</select>
。。。
单击名为“USB访问请求”的下拉列表时可见。我的javascript:
<Div = "main">...</div>
var viewModel={
selectedChoice:ko.可观察(“USB读/写”),
selectionChanged:功能(事件){
显示(“主要”);
}
};
应用绑定(视图模型);
您可能正在寻找类似的东西
查看模型:
<script>
var viewModel = {
selectedChoice: ko.observable("USB Read/Write") ,
selectionChanged: function(event) {
show( "main" );
}
};
ko.applyBindings(viewModel);
</script>
var viewModel = function () {
var self = this;
self.selectedApp = ko.observable();
self.applications = ko.observableArray([{
"ApplicationName": "application1"},{
"ApplicationName": "application2"},{
"ApplicationName": "application3"}
]);
};
ko.applyBindings(new viewModel())
查看:
<script>
var viewModel = {
selectedChoice: ko.observable("USB Read/Write") ,
selectionChanged: function(event) {
show( "main" );
}
};
ko.applyBindings(viewModel);
</script>
var viewModel = function () {
var self = this;
self.selectedApp = ko.observable();
self.applications = ko.observableArray([{
"ApplicationName": "application1"},{
"ApplicationName": "application2"},{
"ApplicationName": "application3"}
]);
};
ko.applyBindings(new viewModel())
应用程序:
我是主要部门
我看到html很简单,所以在这种情况下最好使用if
绑定
工作小提琴
有什么问题让我们知道吗