<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div>
<input type="checkbox" name="checkboxs" id="" value="咕咕" />咕咕<br>
<input type="checkbox" name="checkboxs" id="" value="嘎嘎" />嘎嘎<br>
<input type="checkbox" name="checkboxs" id="" value="嘟嘟" />嘟嘟<br>
<input type="button" id="quanxuan" value="全选" />
<input type="button" id="quanbuxuan" value="全不选" />
<input type="button" id="fanxuan" value="反选" />
</div>
<script type="text/javascript">
var checkboxs = document.getElementsByName("checkboxs");
document.getElementById("quanxuan").onclick=function(){
for(var i=0;i<checkboxs.length;i++){
checkboxs[i].checked = true;
}
}
document.getElementById("quanbuxuan").onclick=function(){
for(var i=0;i<checkboxs.length;i++){
checkboxs[i].checked = false;
}
}
document.getElementById("fanxuan").onclick=function(){
for(var i=0;i<checkboxs.length;i++){
checkboxs[i].checked = !checkboxs[i].checked;
}
}
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/qilin20/p/12655447.html
时间： 2024-07-31 10:16:22