案例:下拉菜单

作者: kino2046 | 来源:发表于2019-10-31 10:11 被阅读0次

    <!DOCTYPE html>

    <html lang="en">

    <head>

        <meta charset="UTF-8">

        <meta name="viewport" content="width=device-width, initial-scale=1.0">

        <meta http-equiv="X-UA-Compatible" content="ie=edge">

        <title>Document</title>

        <style>

            *{

                margin: 0;

                padding: 0;

                font: 30px / 90px "微软雅黑";

            }

            ul{

                list-style: none;

            }

            .wrap{

                width: 1000px;

                height: 1000px;

                position: absolute;

                left: 50%;

                top: 50%;

                margin-top: -500px;

                margin-left: -500px;

                background: url(img/bg.jpg) no-repeat;

            }

            .menu{

                width: 330px;

                border-radius: 10px;

                overflow: hidden;

                margin-top: 285px;

                margin-left: 335px;

                background: #f87a75;

                box-shadow: 0 20px 50px rgba(248,122,117,.5);

            }

            .title{

                height: 90px;

                padding-left: 112px;

                box-sizing: border-box;

                color: #fff;

                position: relative;

            }

            .title::after{

                content: '';

                position: absolute;

                right: 36px;

                top: 41px;

                background: url(img/ar.png) no-repeat ;

                width: 28px;

                height: 16px;

            }

            .list{

                width: 316px;

                padding-left:7px; 

                padding-bottom: 5px;

                display: none;

            }

            .list li{

                height: 90px;

                margin-bottom: 2px;

                background:#fee4e3;

                border-radius: 20px;

                padding-left: 112px;

                box-sizing: border-box;

                background-position: 23px 24px;

                background-repeat: no-repeat;

            }

            .list li:hover{

                background-color: #fff;

                box-shadow:0 0 50px rgba(248,122,117,0.93);

                position: relative;

            }

            .list li:nth-of-type(1){

                background-image: url(img/icon1.png);

            }

            .list li:nth-of-type(2){

                background-image: url(img/icon2.png);

            }

            .list li:nth-of-type(3){

                background-image: url(img/icon3.png);

            }

            .list li:nth-of-type(4){

                background-image: url(img/icon4.png);

            }

            .list li:nth-of-type(5){

                background-image: url(img/icon5.png);

            }

        </style>

    </head>

    <body>

    <div class="wrap">

        <div class="menu">

            <div class="title">菜单</div>

            <ul class="list">

                <li>微博</li>

                <li>图片</li>

                <li>博客</li>

                <li>视频</li>

                <li>更多>></li>

            </ul>

        </div>

    </div>

    <script>

    {

        let list = document.querySelector(".list");

        let menu = document.querySelector(".menu");

        let title = document.querySelector(".title")

        menu.addEventListener("click",function(e){

            if(getComputedStyle(list)["display"] === "none"){

                list.style.display = "block";

            } else {

                list.style.display = "none";

            }

            e.stopPropagation();//阻止冒泡

            console.log(e.target.innerHTML);

            if(e.target.tagName == "LI"&& e.target.innerHTML !== "更多&gt;&gt;"){

                title.innerHTML = e.target.innerHTML;

            }

        });

        document.addEventListener("click",function(){

            list.style.display = "none";

        });

    }

    </script>

    </body>

    </html>

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        本文标题:案例:下拉菜单

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