<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<br>
全选:<input type=button value="check" onclick=sel('chk')>
<script language="javascript">
function sel(a){
o=document.getElementsByName(a)
for(i=0;i<o.length;i++)
o[i].checked=event.srcElement.checked
}
</script>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<br>
全选:<input type=button value="check" onclick=sel('chk')>
<script language="javascript">
function sel(a){
o=document.getElementsByName(a)
for(i=0;i<o.length;i++)
o[i].checked=event.srcElement.checked
}
</script>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<br>
全选:<input type=checkbox onclick=sel('chk')>
<script language="javascript">
function sel(a){
o=document.getElementsByName(a)
for(i=0;i<o.length;i++)
o[i].checked=event.srcElement.checked
}
</script>
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><input type="checkbox" name="id" value="<%=rs("id")%>">全选<input type="checkbox" name="chkall" onClick="CheckAll(this.form)" value="ON">
function sel(obj){
oEl=document.getElementsByName(obj)
for(i=0;i<oEl.length;i++)
oEl[i].checked=event.srcElement.checked
}
</script>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<br>
全选:<input type=checkbox onclick=sel('ck')>
var ischeck = objctlBox.getAttribute("checked");
var size = aryCheckBox.length;
if(ischeck==true){
if(size==undefined){
aryCheckBox.checked = "checked";
}else{
for(var i=0; i<aryCheckBox.length; ++i){
aryCheckBox[i].checked = "checked";
}
}
}else{
if(size==undefined){
aryCheckBox.checked = "";
}else{
for(var i=0; i<aryCheckBox.length; ++i){
aryCheckBox[i].checked = "";
}
}
}
}
</script>
function sel(obj){
oEl=document.getElementsByName(obj);
for(i=0;i<oEl.length;i++){
oEl[i].checked = !(oEl[i].checked);
}
}
</script>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<input type=checkbox name=ck>
<br>
<input type=button value="反选" onclick=sel('ck')>反选~
HTML code <input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<br>
全选/反选: <input type=checkbox onclick=sel('chk')>
<script type="text/javascript"> function sel(a){
var count = 0;
var o=document.getElementsByName(a)
for(i=0;i <o.length;i++)
{
if(o[i].checked == true)
{
count++;
}
}
if(count == o.length)
{
for(i=0;i <o.length;i++)
{
o[i].checked = false;
}
}
else
{
for(i=0;i <o.length;i++)
{
o[i].checked = true;
}
}
}
</script>
for(i=0;i <o.length;i++)
{
o[i].checked = false;
}
}
else
{
o[i].checked = true;
}
}
</script>
简单点的话你可以
全选/反选: <input type=checkbox onclick=sel('chk')>
这个做为控制的组键一个ID,然后用getElementById('checkid')的方法取到这个对象
把他的checked状态赋给那些个单独选择的checkbox就成啦