<div id="d1">
<div id="d2"></div>
</div>
$("#div1").click(function(e){
//wykona siÄ™ gdy kliknÄ™ d1 i d2
console.log(e.target); //cel eventu
e.stopPropagation(); //stop it!
//wylacz domyslne zachowanie
e.preventDefault();
});