Disabling submit button with jQuery.
by caio
HTML
<form action="?" method="post">
<input autofocus="true" type="search" />
<button type="submit">Search</button>
</form>
JavaScript
jQuery(window).on('load', function() {
$(document).on('click', '[type="submit"]', function() {
$(this).attr('disabled', true).parents('form').submit();
return false;
});
});