<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
#ul1
{
background-color: green;
}
#ul2
{
background-color: yellow;
}
</style>
<script type="text/javascript">
window.onload = function () {
var oBtn = document.getElementById("btnChange");
var oUl1 = document.getElementById("ul1");
var oUl2 = document.getElementById("ul2");
var aLi = document.getElementsByTagName("li");
//for (var i = 0; i < aLi.length; i++) {
// aLi[i].onclick = function () {
// oUl1.removeChild(this);
// oUl2.appendChild(this);
// }
//}
oBtn.onclick = function () {
var oLi = oUl1.children[0];
oUl1.appendChild(oLi)
//oUl1.removeChild(oLi);
//oUl2.appendChild(oLi);//1.先把元素从原有的父级别上删掉，在添加到新的父级上
}
}
</script>
</head>
<body>
<ul id="ul1">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
<input type="button" value="移动" id="btnChange" />
<ul id="ul2">
</ul>
</body>
</html>