JS的全选 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>JSDom获取图层节点</title>
</head>
<body>
<script type="text/javascript">
    function getAlls() {
        var emails=document.getElementsByName("email");
        var checkAll=document.getElementById("checkAll");
        for(var i=0;i<emails.length;i++){
            if(checkAll.checked){
                emails[i].checked=true;
            }else{
                emails[i].checked=false;
            }
        }
    }
</script>
<input type="checkbox" id="checkAll" onclick="getAlls()"><br>
<input type="checkbox" name="email">邮件1<br>
<input type="checkbox" name="email">邮件2<br>
<input type="checkbox" name="email">邮件3<br>
<input type="checkbox" name="email">邮件4<br>
<input type="checkbox" name="email">邮件5
</body>

</html>

posted @ 2019-12-29 15:31  动起来mygod  阅读(147)  评论(0)    收藏  举报