Collecting submit button clicks
by spring1975
HTML
<form>
<input type="submit" name="mybutton" value="whatev" />
</form>
JavaScript
var _buttonsClicked = [];
$('form').on('click', 'input:submit', function(e) {
if (!$.inArray(_buttonsClicked, $(this)))
_buttonsClicked.push($(this));
$('input:submit').attr('disabled', 'disabled');
});