原生JS仿苹果任务栏菜单，放大效果的菜单

2019-11-20 23:43:44

字体：大中小

来源：转载

供稿：网友

相信本菜单会让你学习到一些新鲜的JS技巧。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>JS仿苹果任务栏菜单</title> <style type="text/css"> body{margin:0;padding:0} #menu{position:absolute;width:100%;bottom:0;text-align:center;} </style> <script type="text/javascript"> window.onload = function () { var oMenu = document.getElementById("menu"); var aImg = oMenu.getElementsByTagName("img"); var aWidth = []; var i = 0; for (i = 0; i < aImg.length; i++) { aWidth.push(aImg[i].offsetWidth); aImg[i].width = parseInt(aImg[i].offsetWidth / 2) } document.onmousemove = function (event) { var event = event || window.event; for (i = 0; i < aImg.length; i++) { var a = event.clientX - aImg[i].offsetLeft - aImg[i].offsetWidth / 2; var b = event.clientY - aImg[i].offsetTop - oMenu.offsetTop - aImg[i].offsetHeight / 2; var iScale = 1 - Math.sqrt(a * a + b * b) / 300; if (iScale < 0.5) iScale = 0.5; aImg[i].width = aWidth[i] * iScale } }; }; </script> </head> <body> <div id="menu"> <img src="https://www.jb51.net/jscss/demoimg/201108/1.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/2.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/3.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/4.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/5.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/6.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/7.png" /> <img src="https://www.jb51.net/jscss/demoimg/201108/8.png" /> </div> </body> </html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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