<!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(){ var h=document.getElementsByTagName('tr'); for(i=0;i<h.length;i++){ h[i].setAttribute("onmouseover",'change()'); } function change(){ this.style.backgroundColor="#f2f2f2"; }} </script> </head> <body> <table border="1" width="50%" id="table"> <tr> <th>学号</th> <th>姓名</th> <th>操作</th> </tr> <tr> <td>xh001</td> <td>王小明</td> <td><a href="javascript:;" >删除</a></td> </tr> <tr> <td>xh002</td> <td>刘小芳</td> <td><a href="javascript:;" >删除</a></td> </tr> </table> <input type="button" value="添加一行" /> </body></html>为啥没反应呢。。。。。。。。。。。。。。。就是鼠标放上去会变色啊。。。
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qq_青枣工作室_0
TA贡献446条经验 获得超754个赞
<script type="text/javascript">
window.onload = function(){
var h=document.getElementsByTagName('tr');
for(i=0;i<h.length;i++){
h[i].onmouseover=change;
}
}
function change(){
this.style.backgroundColor="#f2f2f2";
}
</script>
qq_青枣工作室_0
TA贡献446条经验 获得超754个赞
<script type="text/javascript">
window.onload = function(){
var h=document.getElementsByTagName('tr');
for(i=0;i<h.length;i++){
h[i].setAttribute("onmouseover",'change.apply(this)');
}
}
function change(){
this.style.backgroundColor="#f2f2f2";
}
</script>
qq_青枣工作室_0
TA贡献446条经验 获得超754个赞
<script type="text/javascript">
window.onload = function(){
var h=document.getElementsByTagName('tr');
for(i=0;i<h.length;i++){
h[i].setAttribute("onmouseover",'change(this)');
}
}
function change(self){
self.style.backgroundColor="#f2f2f2";
}
</script>
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