仿苹果菜单栏的效果
body{ margin:0; padding:0 } #menu{ position:absolute; width:100%; bottom:0; text-align:center; }
window.onload = function () { var oMenu = document.getElementById("menu"); var aImg = oMenu.getElementsByTagName("img"); var aWidth = []; var i = 0; //保存原宽度, 并设置当前宽度 for (i = 0; i < aImg.length; i++) { aWidth.push(aImg[i].offsetWidth); aImg[i].width = parseInt(aImg[i].offsetWidth / 2); } //鼠标移动事件 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 } }; };
<body> <div id="menu"> <img src="img/1.png" /> <img src="img/2.png" /> <img src="img/3.png" /> <img src="img/4.png" /> <img src="img/5.png" /> <img src="img/6.png" /> <img src="img/7.png" /> <img src="img/8.png" /> </div> </body>