checkbox全选<head></head>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin var checkflag = "false"; function check(field) { if (checkflag == "false") { for (i = 0; i < field.length; i++) { field[i].checked = true;} checkflag = "true"; return "false"; } else { for (i = 0; i < field.length; i++) { field[i].checked = false; } checkflag = "false"; return "true"; } } // End --> </script>
<body></body> <form name="form" method="post" action="">
<input type="checkbox" name="list" value="1">
<input type="checkbox" name="list" value="2">
<input type="checkbox" name="list" value="3">
<input type=checkbox value="全选" onClick="this.value=check(this.form.list)"> 选中所有显示记录 
|