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Change href in jsp dynamically

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I am stuck in a problem.
I need to change email in text box , as soon as the email is changed the href which exist to that email address in the screen should also change.

I have called a java script but it only change the reference but not the text dispalyed along. For example when email entered is changed to abc@qq.com from xyz@qq.com then link text should also change .
But in my code although actual reference is getting changed but text dispalying email is not getting changed.

Please provide me solution

Below is the code:

java script
function changeLink()
var qwerty ='priyanka.kakkar@ps.net';

java script ends


//form tag
form method="get"
//input tag
input type="text" id="id" name="username" size="25" onblor="changeLink()"
//anchor tag
a id="myAnchor" href="mailto:priyanka.kakkar@gmail.com" priyanka.kakkar@gmai.com


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Because you are only setting the href and not the innerHTML which is the text the user sees.

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