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I am trying to access JavaScript variable in the href attribute of anchor tag.
JavaScript Function:
<script type="text/javascript">
function fun(ReqTextbox)
{
var queueData =document.getElementById(ResTextbox).value;
//some more code
}
</script>
HTML code:
<body>
<input type="text" value="<%=dynamicValue%>" id="<%=dynamicId%>"/>
<a href="servlet?variablename="<%Eval(queueData)%>" onclick=fun('<%=dynamicvalue%>');>LINK</a>
</body>
I know that I am going to wrong at variablename="<%Eval(queueData)%>".
Can someone please help me how to access and pass JavaScript variable as a query string parameter?
810
asked Jun 22 '26 15:06
First, I think you made a typo :
function fun(ReqTextbox) {
var queueData = document.getElementById(ResTextbox).value;
//some more code
}
You get ReqTextbox parameter but you use ResTextbox. Then, since Javascript is client-sided, you have to manually update the href tag using href attribute. So your function would be like :
function fun(ReqTextbox) {
var queueData = document.getElementById(ReqTextbox).value;
document.getElementById('myAnchor').href = "servlet?variablename=" + queueData;
//some more code
}
And give your anchor tag an id, myAnchor in my example.
102
Modify HTML code as given below -
<body>
<input type="text" value="<%=dynamicValue%>" id="<%=dynamicId%>"/>
<div id="example2">
<a href="servlet?variablename="<%Eval(queueData)%>" onclick=fun('<%=dynamicvalue%>');>LINK</a> </div>
</body>
Use this to pass query string -
$("#example2 a").attr("href", url + "?variablename=" + queueData);
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