<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script>
window.onload = function (){
var aInp = document.getElementsByTagName('input');
// aInp[1].checked = false;
// aInp[2].checked = true;
aInp[0].onclick = function (){
for( var i=1; i<aInp.length; i++ ){
aInp[i].checked = !aInp[i].checked;
/*
if( aInp[i].checked ) {
aInp[i].checked = false;
} else {
aInp[i].checked = true;
}
*/
}
};
};
</script>
</head>
<body>
<input type="button" value="反选" />
<ul>
<li><input type="checkbox" checked /></li>
<li><input type="checkbox" /></li>
<li><input type="checkbox" checked /></li>
<li><input type="checkbox" /></li>
<li><input type="checkbox" /></li>
</ul>
</body>
</html>
