<!DOCTYPE?html>
<html>
?<head>
??<title>?new?document?</title>??
??<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"/>???
??<script?type="text/javascript">?
??????window.onload?=?function(){
?????? changecolor()
?????? }
??????
?????? function?changecolor(){
?????? var?mytr=document.getElementsByTagName("tr");
?????? for?(i=mytr.length-1;i>-1;i--){
?????? mytr[i].setAttribute("onmouseover","color1()")
????????? mytr[i].setAttribute("onmouseout","color2()")
????????? }
????????? }
????????? }
????????? function?color1(){
????????? mytr[i].style.backgroundColor="#f2f2f2";}
????????? function?color2(){
????????? mytr[i].style.backgroundColor="#fff";}
????????? ??????
?????//?鼠標(biāo)移動(dòng)改變背景,可以通過(guò)給每行綁定鼠標(biāo)移上事件和鼠標(biāo)移除事件來(lái)改變所在行背景色。
????????function?addnode(){
???????? var?tr1=document.createElement("tr");
???????? var?td1=document.createElement("td");
???????? var?td2=document.createElement("td");
???????? var?td3=document.createElement("td");
???????? td1.innerHTML="xs003";
???????? var?table=document.getElementById("table");
???????? table.appendChild(tr1);
???????? tr1.appendChild(td1);
???????? tr1.appendChild(td2);
???????? tr1.appendChild(td3);
????????}?
?????
??????//?編寫一個(gè)函數(shù)，供添加按鈕調(diào)用，動(dòng)態(tài)在表格的最后一行添加子節(jié)點(diǎn)；
?????function?del(i){
????? var?x=document.getElementById("table");
????? x.removeChild(x.nodeChilds[i])
?????}
??? ?
?????//?創(chuàng)建刪除函數(shù)
??</script>?
?</head>?
?<body>?
???<table?border="1"?width="50%"?id="table">
???<tr>
<th>學(xué)號(hào)</th>
<th>姓名</th>
<th>操作</th>
???</tr>??
???<tr>
<td>xh001</td>
<td>王小明</td>
<td><a?href="javascript:;"?onclick="del(1)">刪除</a></td>???<!--在刪除按鈕上添加點(diǎn)擊事件??-->
???</tr>
???<tr>
<td>xh002</td>
<td>劉小芳</td>
<td><a?href="javascript:del(2);"?>刪除</a></td>???<!--在刪除按鈕上添加點(diǎn)擊事件??-->
???</tr>??
???</table>
???<input?type="button"?value="添加一行"??onclick="addnode()"?/>???<!--在添加按鈕上添加點(diǎn)擊事件??-->
?</body>
</html>
為什么我的函數(shù)changecolor()和del(i)在調(diào)用的時(shí)候出問(wèn)題了呢？沒(méi)反應(yīng)，求指出錯(cuò)誤的地方
woooopan
2016-04-14 21:25:58
