js实现跟随鼠标移动的提示框

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            position: relative;
            left: 300px;
            top: 0;
        }

        .box .box1,
        .box2,
        .box3,
        .box4 {
            width: 800px;
            height: 100px;
            background-color: palevioletred;

        }

        .prompt {
            width: 130px;
            height: 80px;
            position: absolute;
            top: 0;
            left: 0;
            background: rgb(15, 216, 48);
            display: none;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="box1"><a href="#">个人信息AAA</a></div>
        <div class="box1"><a href="#">个人信息BBB</a></div>
        <div class="box1"><a href="#">个人信息CCC</a></div>
        <div class="box1"><a href="#">个人信息DDD</a></div>
        <div class="prompt">弹出框</div>
    </div>
</body>

</html>
<script>
    var obox = document.querySelector(".box");
    var oprompt = document.querySelector(".prompt");
    var oA = document.querySelectorAll("a");
    //循坏得到所有的a标签
    for (var i = 0; i < oA.length; i++) {
        oA[i].onclick = function (e) {
            var e = e || event;
            e.stopPropagation ? e.stopPropagation() : e.cancelBubble = true;//阻止事件冒泡
            oprompt.style.display = "block";//在a链接上点击时显示
            oprompt.style.top = e.pageY - obox.offsetTop + "px";//提示框的位置跟随鼠标并减去大盒子的定位距离
            oprompt.style.left = e.pageX - obox.offsetLeft + "px";
        }
        document.onclick = function () {
            oprompt.style.display = "none";//点击其他地方提示框隐藏起来
        }
    }
</script>

posted on 2020-06-02 09:10  被窝暖暖嘻嘻嘻  阅读(765)  评论(0编辑  收藏  举报

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