<html>
<head>
<title>Untitled Document</title>
</head><body><div id='bb' onclick='a(this.id);'>
<div id='aa' onclick='a(this.id);'>aaa</div>
</div>
<script>
var o='aa';
function a(obj)
{
o=obj;
alert(document.getElementById(obj).innerText);
}
</script>
</body>
</html>
<head>
<title>Untitled Document</title>
</head><body><div id='bb' onclick='a(this.id);'>
<div id='aa' onclick='a(this.id);'>aaa</div>
</div>
<script>
var o='aa';
function a(obj)
{
o=obj;
alert(document.getElementById(obj).innerText);
}
</script>
</body>
</html>
点击这个的时候打印id='aa'的aaa就可以了.
不打印外面那个
<head>
<title>Untitled Document</title>
</head><body><div id='bb'>
<div id='aa' onclick='a(this.id);'>aaa</div>
</div>
<script>
var o='aa';
function a(obj)
{
o=obj;
alert(document.getElementById(obj).innerText);
}
</script>
</body>
</html>
<head>
<title>Untitled Document</title>
</head>
<body><div id='bb' onclick='a(this.id);'>
<div id='aa' onclick='a(this.id);'>aaa</div>
</div><script>
var o='aa';
function a(obj)
{
o = document.getElementById(obj);
if(!o.children.length)
alert(obj + " - " + o.innerText);
}
</script></body>
</html>
function a(obj)
{
alert(document.getElementById(obj).innerText.substring(0,1));
if(event.stopPropagation)event.stopPropagation();
else event.cancelBubble = true;
if(event.preventDefault)event.preventDefault();
else event.returnValue = false;
}
</script>