javascript - copy value from one field to another -

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i have found fiddle (cannot remember source): http://jsfiddle.net/fpsdy/1/ want (copy contents field another)

when copy php page, though, doesn't work:

<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head>   <script type="text/javascript" src="includes/jquery/jquery-1.10.2.min.js"></script> </head>  <body>  <script type="text/javascript"> $('input[type=submit]').click(function(){     $('#elm_14').val($('#elm_6').val());     $('#elm_16').val($('#elm_7').val()); }); </script>  <input type="text" class="input-text " value="" size="32" name="user_data[firstname]" id="elm_6"> <input type="text" class="input-text " value="" size="32" name="user_data[lastname]" id="elm_7"><br /> <input type="submit" value="continue" name="dispatch[checkout.update_steps]"><br /> <input type="text" class="input-text " value="" size="32" name="user_data[b_firstname]" id="elm_14"> <input type="text" class="input-text " value="" size="32" name="user_data[s_firstname]" id="elm_16">  </body> </html>

i sure have made amateur mistake but, since not know javascript cannot pinpoint it. appreciated

your js code attaches click handler needs run after page loads:

$(function() { // run after dom loaded     $('input[type=submit]').click(function(){         $('#elm_14').val($('#elm_6').val());         $('#elm_16').val($('#elm_7').val());     }); });

in code, when js run, submit button doesn't exist yet on page, jquery can't attach click handler.


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