how to find out the value of textbox from asp.net to script

Posted by Ramakrishna on Stack Overflow See other posts from Stack Overflow or by Ramakrishna
Published on 2010-06-15T11:21:24Z Indexed on 2010/06/15 11:32 UTC
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JavaScript

from my textbox, i need to get the first digit entered into that, and check whther it is 7 or 8 or 9.. using getelementbyid, how can i get this.... how can check whether first digit is 7 or 8 or 9 in the textbox

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