<script>
function CheckAll(frm)
{
for (var i=0;i<frm.elements.length;i++)
{
var e=frm.elements[i];
if (e.type == 'checkbox' && e.disabled == false)
{
e.checked = !e.checked;
}
}
}
</script>
<form>
<input type="checkbox" id="c1" disabled>
<input type="checkbox" id="c2" >
<input type="checkbox" id="c3" >
<input type="checkbox" id="c4" disabled>
<input type="checkbox" id="c5" ><input type="button" value="click" onclick="CheckAll(this.form)"></form>
function CheckAll(frm)
{
for (var i=0;i<frm.elements.length;i++)
{
var e=frm.elements[i];
if (e.type == 'checkbox' && e.disabled == false)
{
e.checked = !e.checked;
}
}
}
</script>
<form>
<input type="checkbox" id="c1" disabled>
<input type="checkbox" id="c2" >
<input type="checkbox" id="c3" >
<input type="checkbox" id="c4" disabled>
<input type="checkbox" id="c5" ><input type="button" value="click" onclick="CheckAll(this.form)"></form>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<script type="text/javascript">
function chk(){
var chkname="";
var tag=0;
for(var i=0;i<frm.elements.length;i++){
var e=frm.elements[i];
if(e.type=="checkbox"&&e.checked){
chkname+=e.name+" ";
tag++;
}
}
if(tag==0) chkname="没有选中!"
alert("你选中的复选框的name为:"+chkname);
alert("个数为:"+tag)
}
</script>
<body>
<p>
<form id="frm">
<input type="checkbox" value="1" name="1">
<input type="checkbox" value="2" name="2">
<input type="checkbox" value="3" name="3">
</p>
<input type="button" id="btn" value="按钮" onClick="chk()">
<p>
</form>
</body>
</html>
没选中可以自己写下!
<input type="checkbox" name="a" value="">
<input type="checkbox" name="a" value="">
<input type="checkbox" name="a" value="">
<input type="checkbox" name="b" value="">
<input type="checkbox" name="b" value="">
<input type="checkbox" name="b" value="">
</form>
<input type="button" value="按钮" onclick="test()">
<br>
<textarea id="Textarea1" rows="4" cols="80"></textarea>
<script language="javascript">
function test(){
var es=document.all.tags("INPUT")
var e
var s=""
for(i=0;i<es.length;i++){
if(es[i].type=="checkbox"){
s += (es[i].checked ? "√" : "×")
}
}
Textarea1.value = s
}
</script>