复制代码代码如下:
<html>
<голова>
<title> 制作全选效果 </title>
<script language = "javascript">
функция selectall () {
allcheckboxs = document.getElementsbyname ("a");
var a2 = document.getelementsbyname ("a1");
if (a2 [0] .cecked) {
for (var i = 0; i <allcheckboxs.length; i ++) {
Allcheckboxs [i] .Checked = true;
}
}еще{
for (var i = 0; i <allcheckboxs.length; i ++) {
Allcheckboxs [i] .Checked = false;
}
}
}
</script>
</head>
<тело>
<form name = "myform">
<Таблица>
<tr> <td colspan = "2"> <img src = "Images/head.jpg"/> </td> </tr>
<tr>
<td> <input type = "fackbox" name = "a1" onclick = "selectall ()"/> 全选/全不选 </td>
<td> <img src = "Images/top.jpg"/> </td>
</tr>
<tr> <td> <input type = "fackbox" name = "a"/> </td> <td> <img src = "images/one.jpg"/> </td> </tr>
<tr> <td> <input type = "fackbox" name = "a"/> </td> <td> <img src = "Images/two.jpg"/> </td> </tr>
<tr> <td> <input type = "fackbox" name = "a"/> </td> <td> <img src = "Images/thry.jpg"/> </td> </tr>
<tr> <td> <input type = "fackbox" name = "a"/> </td> <td> <img src = "Images/four.jpg"/> </td> </tr>
</table>
</form>
</body>
</html>