lovecoding
/
web0331


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192
							<!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 {
            width: 100vw;
            position: relative;
        }

        #under {
            width: 90%;
            height: 500px;
            background: rgba(0, 0, 0, .1);
            margin: 10px auto;
            text-align: center;
            line-height: 500px;
            font-size: 25px;
        }

        #vase {
            width: 80%;
            height: 300px;
            background: #fff;
            position: absolute;
            top: 100px;
            left: 37px;
            z-index: 9;
        }
        #close {
            width: 100px;
            height: 30px;
            text-align: center;
            line-height: 30px;
            background: #00f;
            color: #fff;
            position: absolute;
            top: 50%;
            left: 50%;
            margin-top: -15px;
            margin-left: -50px;
        }

        #dialog {
            width: 100%;
            height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
            background: rgba(0,0,0,.5);
        }
    </style>
</head>

<body>
    <div id="box">
        <div id="under">底层元素</div>
        <div id="vase">
            <div id="tit">弹出层</div>
            <div id="close">关闭</div>
        </div>
        <div id="dialog"></div>
    </div>
    <script>
        /**
         * 点透事件：
         * 1.两层元素叠加
         * 2.第一层使用touch事件
         * 3.第二层使用click事件/a标签
        */
        var close = document.getElementById("close");
        var under = document.getElementById("under");
        close.ontouchstart = function(event) {
            event.preventDefault();
            document.getElementById("vase").style.display = 'none';
            document.getElementById("dialog").style.display = 'none';
        }
        under.onclick = function() {
            alert("弹出")
        }
    </script>
</body>

</html>