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@@ -0,0 +1,92 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <style>
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+ * {
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+ margin: 0;
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+ padding: 0;
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+ }
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+
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+ #box {
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+ width: 100vw;
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+ position: relative;
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+ }
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+
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+ #under {
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+ width: 90%;
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+ height: 500px;
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+ background: rgba(0, 0, 0, .1);
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+ margin: 10px auto;
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+ text-align: center;
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+ line-height: 500px;
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+ font-size: 25px;
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+ }
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+
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+ #vase {
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+ width: 80%;
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+ height: 300px;
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+ background: #fff;
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+ position: absolute;
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+ top: 100px;
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+ left: 37px;
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+ z-index: 9;
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+ }
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+ #close {
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+ width: 100px;
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+ height: 30px;
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+ text-align: center;
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+ line-height: 30px;
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+ background: #00f;
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+ color: #fff;
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+ position: absolute;
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+ top: 50%;
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+ left: 50%;
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+ margin-top: -15px;
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+ margin-left: -50px;
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+ }
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+
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+ #dialog {
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+ width: 100%;
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+ height: 100vh;
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+ position: fixed;
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+ top: 0;
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+ left: 0;
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+ background: rgba(0,0,0,.5);
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+ <div id="box">
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+ <div id="under">底层元素</div>
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+ <div id="vase">
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+ <div id="tit">弹出层</div>
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+ <div id="close">关闭</div>
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+ </div>
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+ <div id="dialog"></div>
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+ </div>
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+ <script>
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+ /**
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+ * 点透事件：
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+ * 1.两层元素叠加
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+ * 2.第一层使用touch事件
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+ * 3.第二层使用click事件/a标签
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+ */
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+ var close = document.getElementById("close");
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+ var under = document.getElementById("under");
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+ close.ontouchstart = function(event) {
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+ event.preventDefault();
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+ document.getElementById("vase").style.display = 'none';
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+ document.getElementById("dialog").style.display = 'none';
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+ }
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+ under.onclick = function() {
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+ alert("弹出")
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+ }
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+ </script>
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+</body>
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+
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+</html>
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bailing