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@@ -0,0 +1,44 @@
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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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+ img {
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+ position: absolute;
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+ /* width: 200px; */
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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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+ <!-- <img src="./img/1.png" alt=""> -->
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+ <script>
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+ var screenWidth = document.body.clientWidth || document.documentElement.clientWidth;
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+ var screenHeight = document.body.clientHeight || document.documentElement.clientHeight;
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+ function Leaf() {
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+ this.width = Math.round(Math.random() * 100 + 100);
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+ this.top = 0;
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+ this.left = Math.random() * (screenWidth - this.width);
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+ this.urls = './img/'+ Math.floor(Math.random() * 4 + 1) +'.png'
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+ }
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+ // 绘制图片
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+ Leaf.prototype.init = function() {
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+ var imgs = document.createElement('img');
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+ imgs.src = this.urls;
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+ imgs.style.width = this.width + 'px';
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+ imgs.style.left = this.left + 'px';
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+ imgs.style.top = this.top + 'px';
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+ document.body.appendChild(imgs);
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+ }
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+ // 展示图片
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+ for(let i=0;i<20;i++) {
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+ let leaf = new Leaf();
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+ leaf.init();
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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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zheng