如果这一列checkbox都有相同的名字的话，可以使用documenet.getElementByNames("xxx");
如果不是的话
<html>
<head>
<title>title</title>
<script language="javascript" type="text/javascript">
function getCheckBoxes(tableId,column) {
var table = document.getElementById(tableId);
for(var i = 0; i < table.rows.length; i++) {
var row = table.rows[i];
alert(row.cells[column].childNodes[0].value);
}
}
</script>
</head>
<body>
<table id="myTable">
<tr><td><input type="checkbox" value="checkbox1" /></td></tr>
<tr><td><input type="checkbox" value="checkbox2" /></td></tr>
<tr><td><input type="checkbox" value="checkbox3" /></td></tr>
<tr><td><input type="checkbox" value="checkbox4" /></td></tr>
</table>
<input type="button" value="show check box value" onclick="getCheckBoxes('myTable',0);" />
</body>
</html>
如果不是的话
<html>
<head>
<title>title</title>
<script language="javascript" type="text/javascript">
function getCheckBoxes(tableId,column) {
var table = document.getElementById(tableId);
for(var i = 0; i < table.rows.length; i++) {
var row = table.rows[i];
alert(row.cells[column].childNodes[0].value);
}
}
</script>
</head>
<body>
<table id="myTable">
<tr><td><input type="checkbox" value="checkbox1" /></td></tr>
<tr><td><input type="checkbox" value="checkbox2" /></td></tr>
<tr><td><input type="checkbox" value="checkbox3" /></td></tr>
<tr><td><input type="checkbox" value="checkbox4" /></td></tr>
</table>
<input type="button" value="show check box value" onclick="getCheckBoxes('myTable',0);" />
</body>
</html>
<tr >
<td ><input type="checkBox" id="a1"> </td>
<td width="130" > <input type="checkBox"> </td>
<td width="180" ><input type="checkBox"> </td>
<td align="left" > <span>44444444 </span></td>
</tr>
<tr >
<td ><input type="checkBox" id="a2"> </td>
<td width="130" > <input type="checkBox"> </td>
<td width="180" ><input type="checkBox"> </td>
<td align="left" > <span>5555 </span></td>
</tr>
</table>
<script language=javascript>var aa=document.getElementById("aaa")
var i=0; //0 cell
//alert(aa.rows.length)
for(var m=0;m<aa.rows.length;m++){
if(aa.rows[m].cells[i].childNodes[0].type=="checkbox"){
alert(aa.rows[m].cells[i].innerHTML)
alert(aa.rows[m].cells[i].childNodes[0].type)
}
}
</script>