<ul id='list'>
<li>1</li>
<li><span style="background: red;float:right">9999999999999</span></li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>7</li>
<li>8</li>
</ul>
window.onload = function(){
var ul = document.getElementById("list");
ul.onclick = function(eve){
var event = eve || window.event;
var target = event.target || event.srcElement;
while(target.nodeName.toLowerCase() != 'li'){
if(target === ul){
target = null;
break;
}
target = target.parentNode;
}
if(target){
alert(target.innerHTML);
}
};
};
