如何在javascript中获取单选按钮ID [英] How to get radio button id in javascript
问题描述
javascript
function radiobtn(obj){
alert(obj.getAttribute(' id'));
}
我的提醒没有显示任何内容
即使我试过
function radiobtn(obj){
alert(obj.id);
}
asp.net代码
< asp:RadioButton runat =服务器OnChange =return radiobtn(this)Text =AnswerID =chkanswer/>
i也试过
< asp:RadioButton runat = serverOnChange =return radiobtn(this.id)Text =AnswerID =chkanswer/>和
function radiobtn(id){
alert(id);
无效工作
function radiobtn(obj ){
alert(obj.id);
}
希望这可以帮助你..: - )
试一试。
getElementByID(你的radiobutton id)
你的代码......
var rdbVlaue = document.getElementByID('rdnCtrl')。值;
问候,
Praveen Nelge
javascript
function radiobtn(obj) {
alert(obj.getAttribute('id'));
}
my alert shows nothing
even i tried
function radiobtn(obj) {
alert(obj.id);
}
asp.net code
<asp:RadioButton runat="server" OnChange="return radiobtn(this)" Text="Answer" ID="chkanswer" />
i also tried
<asp:RadioButton runat="server" OnChange="return radiobtn(this.id)" Text="Answer" ID="chkanswer" /> and
function radiobtn(id) {
alert(id);
nothing worked
function radiobtn(obj) { alert(obj.id); }
hope this helps you.. :-)
Try this.
getElementByID(your radiobutton id)
your code...
var rdbVlaue=document.getElementByID('rdnCtrl').Value;
Regards,
Praveen Nelge
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