appendChild 1.先把元素从原有的父级上删除 2.添加到新的父级
<title>无标题文档</title>
<script>
window.onload=function ()
{
var oUl=document.getElementById('ul1');
var oBtn=document.getElementById('btn1'); oBtn.onclick=function ()
{
var aLi=oUl.getElementsByTagName('li'); var arr=[];
for(var i=0;i<aLi.length;i++)
{
arr[i]=aLi[i];
} arr.sort(function(li1,li2){
var n1=parseInt(li1.innerHTML);
var n2=parseInt(li2.innerHTML); return n1-n2;
}); for(var i=0;i<arr.length;i++)
{
oUl.appendChild(arr[i]);
}
}
}
</script>
</head> <body>
<input id="btn1" type="button" value="排序"/>
<ul id="ul1">
<li>23</li>
<li>9</li>
<li>99</li>
<li>82</li>
<li>34</li>
</ul>
</body>
排序后：
例二
<title>无标题文档</title>
<style>
#ul1{background:green;}
#ul2{background:yellow;}
</style>
<script>
window.onload=function ()
{
var oBtn=document.getElementById('btn1');
var oUl1=document.getElementById('ul1');
var oUl2=document.getElementById('ul2'); oBtn.onclick=function ()
{
var oLi=oUl1.children[0];
oUl2.appendChild(oLi);
}
}
</script>
</head> <body>
<ul id="ul1">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
<input id="btn1" type="button" value="移动"/>
<ul id="ul2">
</ul>
</body>
表格排序
<title>无标题文档</title>
<script>
window.onload=function ()
{
var oTab=document.getElementById('tab1');
var oBtn=document.getElementById('btn1'); oBtn.onclick=function ()
{
var arr=[];
for(var i=0;i<oTab.tBodies[0].rows.length;i++)
{
arr[i]=oTab.tBodies[0].rows[i];
} arr.sort(function(tr1,tr2){
var n1=parseInt(tr1.cells[0].innerHTML);
var n2=parseInt(tr2.cells[0].innerHTML); return n1-n2;
}); for(var i=0;i<arr.length;i++)
{
oTab.tBodies[0].appendChild(arr[i]);
}
};
};
</script>
</head> <body>
<input id="btn1" type="button" value="排序"/>
<table id="tab1" border="1" width="500">
<thead>
<td>ID</td>
<td>姓名</td>
<td>年龄</td>
<td>操作</td>
</thead>
<tbody>
<tr>
<td>2</td>
<td>张三</td>
<td>24</td>
<td></td>
</tr>
<tr>
<td>1</td>
<td>blue</td>
<td>23</td>
<td></td>
</tr>
<tr>
<td>5</td>
<td>李六</td>
<td>27</td>
<td></td>
</tr>
<tr>
<td>4</td>
<td>王五</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>3</td>
<td>李四</td>
<td>25</td>
<td></td>
</tr> </tbody>
</table>
</body>
排序后：