>>943

<span id="hoge1" class="hoge" data-hoge="1"></span>
<span id="hoge2" class="hoge" data-hoge="2"></span>

$('.hoge').on('click', function() {
　alert($(this).data('hoge'));
});

もしくは

function f(event) {
　alert(event.data.hoge);
}

$('#hoge1').on('click', {hoge: 1}, f);
$('#hoge2').on('click', {hoge: 2}, f);