高手，用js 在table中点击(onclick)td时怎样才能获取td的值
高手求救，用js 在table中点击(onclick)td时怎样才能获取td的值？
<table>
<tr>
<td onclick="">1<td>
<td>2<td>
<tr>
<tr>
<td>3<td>
<td>4<td>
<tr>
<table>
点击哪个td就获取那个td的值，如何实现呢？
------解决方案--------------------
<table>
<tr>
<td onclick="">1<td>
<td>2<td>
<tr>
<tr>
<td>3<td>
<td>4<td>
<tr>
<table>
点击哪个td就获取那个td的值，如何实现呢？
------解决方案--------------------
- HTML code
<!DOCTYPE HTML>
<html>
<head>
<meta charset="gb2312" />
<title></title>
<style>
</style>
</head>
<body>
<table>
<tr>
<td>1<td>
<td>2<td>
<tr>
<tr>
<td>3<td>
<td>4<td>
<tr>
<table>
<script>
var $ = function(id){
return document.getElementById(id);
};
var $t = function(tag, cot){
cot = cot || document;
return cot.getElementsByTagName(tag);
};
var objs = $t('td');
for(var i = 0, len = objs.length; i < len; i++){
objs[i].onclick = function(){
alert( this.innerHTML )
}
}
</script>
</body>
</html>
------解决方案--------------------
- HTML code
<table>
<tr>
<td onclick="">1<td>
<td>2<td>
<tr>
<tr>
<td>3<td>
<td>4<td>
<tr>
<table>
<script type="text/javascript">
var tds=document.getElementsByTagName("td");
var obj=null;
for(var i=0,len=tds.length;i<len;i++){
obj=tds[i];
obj.onclick=function(){
alert(this.innerHTML);
}
}
</script>