JS仿谷歌首页图片导航,响应鼠标动感大小

发布时间：2018-09-09 17:30:48 所属栏目：编程来源：站长网

导读：Java Script仿Google首页特效的动感导航菜单，这个效果已经很常见了，鼠标放上后图标会变大，移开后恢复原貌，鼠标连续在图标上的滑过，会有更神奇的效果，看上去不错的导航菜单。特效演示： !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//E

　　JavaScript仿Google首页特效的动感导航菜单，这个效果已经很常见了，鼠标放上后图标会变大，移开后恢复原貌，鼠标连续在图标上的滑过，会有更神奇的效果，看上去不错的导航菜单。

　　特效演示：

<!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>仿Google首页特效的动感导航菜单</title> <meta http-equiv="content-type" content="text/html;charset=gb2312"> <style type="text/css"> #fisheye_menu { list-style: none; padding: 0; margin: 10px; height: 81px; } #fisheye_menu li { position: relative; display: block; float: left; } #fisheye_menu span { position: absolute; top: 100%; left: 0; text-align: center; width: 79px; padding: 1px; margin: 0; border: solid 1px #bbb; color: #333; background: #eee; } #fisheye_menu a { text-decoration: none; } #fisheye_menu img { border: 0; vertical-align: top; } </style> <script type="text/javascript"> var fisheyemenu = { startSize : 55, endSize : 88, imgType : ".gif", init : function () { var animElements = document.getElementById("fisheye_menu").getElementsByTagName("img"); var titleElements = document.getElementById("fisheye_menu").getElementsByTagName("span"); for(var j=0; j<titleElements.length; j++) { titleElements[j].style.display = 'none'; } for(var i=0; i<animElements.length; i++) { var y = animElements[i]; y.style.width = fisheyemenu.startSize+'px'; y.style.height = fisheyemenu.startSize+'px'; fisheyemenu.imgSmall(y); animElements[i].onmouseover = changeSize; animElements[i].onmouseout = restoreSize; } function changeSize() { fisheyemenu.imgLarge(this); var x = this.parentNode.getElementsByTagName("span"); x[0].style.display = 'block'; if (!this.currentWidth) this.currentWidth = fisheyemenu.startSize; fisheyemenu.resizeAnimation(this,this.currentWidth,fisheyemenu.endSize,15,10,0.333); } function restoreSize() { var x = this.parentNode.getElementsByTagName("span"); x[0].style.display = 'none'; if (!this.currentWidth) return; fisheyemenu.resizeAnimation(this,this.currentWidth,fisheyemenu.startSize,15,10,0.5); fisheyemenu.imgSmall(this); } }, resizeAnimation : function (elem,startWidth,endWidth,steps,intervals,powr) { if (elem.widthChangeMemInt) window.clearInterval(elem.widthChangeMemInt); var actStep = 0; elem.widthChangeMemInt = window.setInterval( function() { elem.currentWidth = fisheyemenu.easeInOut(startWidth,endWidth,steps,actStep,powr); elem.style.width = elem.currentWidth+"px"; elem.style.height = elem.currentWidth+"px"; actStep++; if (actStep > steps) window.clearInterval(elem.widthChangeMemInt); } ,intervals) }, easeInOut : function (minValue,maxValue,totalSteps,actualStep,powr) { var delta = maxValue - minValue; var stepp = minValue+(Math.pow(((1 / totalSteps)*actualStep),powr)*delta); return Math.ceil(stepp) }, imgSmall : function (obj) { imgSrc = obj.getAttribute("src"); var typePos = imgSrc.indexOf(fisheyemenu.imgType, 0); var imgName = imgSrc.substr(0, typePos); obj.setAttribute("src", imgName+"_small"+fisheyemenu.imgType); }, imgLarge : function (obj) { imgSrc = obj.getAttribute("src"); var typePos = imgSrc.indexOf("_small", 0); var imgName = imgSrc.substr(0, typePos); obj.setAttribute("src", imgName+fisheyemenu.imgType); } } if ( typeof window.addEventListener != "undefined" ) window.addEventListener( "load", fisheyemenu.init, false ); else if ( typeof window.attachEvent != "undefined" ) window.attachEvent( "onload", fisheyemenu.init ); else { if ( window.onload != null ) { var oldOnload = window.onload; window.onload = function ( e ) { oldOnload( e ); fisheyemenu.init(); }; } else window.onload = fisheyemenu.init; } </script> </head> <body> <div> <ul id="fisheye_menu"> <li><a href="#1"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon1.gif" alt="1"><span>图片搜索</span></a></li> <li><a href="#2"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon2.gif" alt="2"><span>高级搜索</span></a></li> <li><a href="#3"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon1.gif" alt="3"><span>Google地图</span></a></li> <li><a href="#4"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon2.gif" alt="4"><span>视频搜索</span></a></li> <li><a href="#5"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon1.gif" alt="5"><span>网站管理员</span></a></li> <li><a href="#6"><img src="http://www.veryhuo.com/uploads/allimg/1010/icon2.gif" alt="6"><span>网址收录</span></a></li> </ul> </div> </body> </html>烈火網 liehuo.net 欢迎复制,拒绝恶意采集ｌｉｅｈｕｏ．ｎｅｔ<br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
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