实现全选与反选 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
        点击：<input type="checkbox" id="checkAll" name="checkAll"/><br>

        <input  type='checkbox' name='checkItem' class='btnSelect' /><br>

        <input  type='checkbox' name='checkItem' class='btnSelect'/><br>

        <input  type='checkbox' name='checkItem' class='btnSelect' /><br>

<script src="http://ajax.aspnetcdn.com/ajax/jquery/jquery-2.1.4.min.js"></script>
<script>
    $("#checkAll").click(function () {
        if (this.checked) {
            $("input[name='checkItem']:checkbox").each(function () {
                $(this).attr("checked", true);
            });
        } else {
            $("input[name='checkItem']:checkbox").each(function () {
                $(this).attr("checked", false);
            });
        }
    });
</script>
</body>
</html>

 

posted @ 2021-01-10 10:34  辉哥哥~  阅读(124)  评论(0)    收藏  举报