$('#uu').bind('click',function(){
alert($(this).html());
})
<html>
<head>
</head>
<body>
<div id="uu">111</div>
<div>222</div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</body>
</body>
</html>
div:nth-child(1){
color: red
}