toggle required attribute using jquery
Dynamically toggle required field for input using jquery
by wind_chime18
HTML
<form action="demo_form.asp">
<input type="text" name="first_name" value="" id="freeform_first_name"
maxlength="150">
<input type="submit">
</form>
JavaScript
$(function(){
$("input").prop('required',false);
});
/*http://stackoverflow.com/questions/19166685/jquery-add-required-to-input-fields */