在jQuery中获取数据绑定值 [英] Get data-bind value in jquery
问题描述
我正在使用敲除js来设置跨度值.
I am using knockout js to set a span value.
HTML代码
<span id="spnQStreamChat" data-bind="text: $data.OnLineUserName"></span>
这很好,并且在用户界面上显示了用户名.
this is working fine and showing user name on the UI.
我正在尝试从js文件中获取该值. 通过使用以下代码
I am trying to get that value from js file. by using below code
alert($(this).attr('data-bind'));
此投放结果如下文本:$ data.OnLineUserName .我想要我分配的用户名.
this is serving result like this text: $data.OnLineUserName . I want the username assigned by me.
在UI中,它显示Bhagirathi,但在js中,它显示数据绑定中存在的内容
In UI its showing Bhagirathi but in js its showing the content present in the data-bind
如何在js文件中获取名称(意味着:Bhagirathi)
how to get the Name(means: Bhagirathi) in js file
请帮助解决此问题
预先感谢
$(document).on("click", ".btn-mini", function (e) {
alert(ko.contextFor($('.btn-mini')[0]).$data.OnLineUserName);
try {
var connectionId = chatHub.server.getUserConnectionId($(this).attr('data-bind').username, sessionUserName);
}
catch (e) {
//error
}
});
[/EDIT]
推荐答案
您可以使用
ko.contextFor($('#spnQStreamChat').get(0))
这将返回一个类似
ko.bindingContext {$parents: Array[1], $root: ViewModel, ko: Object, $data: SomeObject, $parentContext: ko.bindingContext…}
其中$ data是您的$ data对象.因此,要获得名称,您需要类似
where $data is your $data object. So to get the name you need something like
ko.contextFor($('.button.btn.c_btn').get(0)).$data.OnLineUserName()
当您需要获取$ data对象时,这种方式会更有用.否则,您可以使用jQuery获得跨度的文本"
This way is more useful when you need to get $data object. Otherwise you can just get the 'text' of a span with jQuery
这篇关于在jQuery中获取数据绑定值的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!