<script language="javascript1.2">function CheckAll(form){ for (var i=0;i<form.elements.length;i++){ var e = form.elements[i]; if (e.name != 'chkAll') e.checked = form.chkAll.checked; } } </script>全部选定<input type="checkbox" name="chkAll" value="on" onClick="CheckAll(this.form)">
出现: 'chkAll.checked' 为空或不是对象错误
function do_sel() { for (var k=0;k<document.getElementsByTagName("input").length;k++) { if (document.getElementsByTagName("input")[k].type=="checkbox") { document.getElementsByTagName("input")[k].checked=true;
for (var i=0;i<form.elements.length;i++){
var e = form.elements[i];
if (e.name != 'chkAll')
e.checked = form.chkAll.checked;
}
}
</script>全部选定<input type="checkbox" name="chkAll" value="on" onClick="CheckAll(this.form)">
'chkAll.checked' 为空或不是对象错误
{
for (var k=0;k<document.getElementsByTagName("input").length;k++)
{
if (document.getElementsByTagName("input")[k].type=="checkbox")
{
document.getElementsByTagName("input")[k].checked=true;
}
}
}
{
var i;
for (i=0;i<document.form1["sc[]"].length;i++)
document.form1["sc[]"][i].checked=true;
}
<script>