<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
</head>
<body>
<script>
for(var i=0;i<10;i++)
{
document.write("<li><input type='checkbox' name='select[]'>"+i+"aaaaaaaaaaaaaaaaaa</li>")
}
var select=document.getElementsByName("select[]");
var sall=document.getElementsByName("sall");
function all()
{
for(var i=0;i<select.length;i++)
{
select[i].checked="true";
}
}
function fall()
{
for(var i=0;i<select.length;i++)
{
if(select[i].checked)
{
select[i].checked="";
}
else
{
select[i].checked="true";
}
}
}
function nall()
{
for(var i=0;i<select.length;i++)
{
select[i].checked="";
}
}
function mall(a){
for(var i=0;i<select.length;i++)
{
select[i].checked=a.checked;
}
}
</script>
<a href="javascript:all()">全选</a>
<a href="javascript:fall()">反选</a>
<a href="javascript:nall()">全不选</a>
<input type="checkbox" onclick="mall(this)"/>全选
</body>
</html>