<html>
<head>
<script language=javascript>
window.onload=function(){
var o=document.getElementById("123");
alert(o.firstChild.nodeValue);
}
</script>
</head>
<body>
<div id="123">11111</div></body>
</html>
<head>
<script language=javascript>
window.onload=function(){
var o=document.getElementById("123");
alert(o.firstChild.nodeValue);
}
</script>
</head>
<body>
<div id="123">11111</div></body>
</html>
<head>
<script language=javascript>
window.onload=function(){
var o=document.getElementById("123");
alert(o.childNodes[0].nodeValue);
}
</script>
</head>
<body>
<div id="123">11111</div></body>
</html>