Populating hidden Fields

by Joe Saad

HTML

<input type="text" name="firstName" />
<input type="hidden" name="txt_firstName" />


<input type="text" name="lastName" />
<input type="hidden" name="txt_lastName" />

<input type="button" id="checkIt" value="checkIt" />

JavaScript

$('#checkIt').click(function(){
  $('input[type="text"]').each(function(){
    var name = $(this).attr('name');
    $('input[name='+ 'txt_'+name+ ']').val($('input[name='+name+']').val());
  });
});