效果体验：http://hovertree.com/texiao/jquery/37/
代码如下：
<!doctype html> <html lang="zh"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>jQuery和CSS3炫酷按钮点击波特效 - 何问起</title><base target="_blank" /> <!--主要样式--> <style type="text/css"> * { margin: 0; padding: 0; } /*hovertreenav styles*/ .hovertreenav ul { background: white; border-top: 6px solid hsl(180, 40%, 60%); width: 200px; margin: 5em auto; } .hovertreenav ul li { list-style-type: none; /*relative positioning for list items along with overflow hidden to contain the overflowing ripple*/ position: relative; overflow: hidden; } .hovertreenav ul li a { font: normal 14px/28px Montserrat; color: hsl(180, 40%, 40%); display: block; padding: 10px 15px; text-decoration: none; cursor: pointer; /*since the links are dummy without href values*/ /*prevent text selection*/ user-select: none; /*static positioned elements appear behind absolutely positioned siblings(.ink in this case) hence we will make the links relatively positioned to bring them above .ink*/ position: relative; } /*.ink styles - the elements which will create the ripple effect. The size and position of these elements will be set by the JS code. Initially these elements will be scaled down to 0% and later animated to large fading circles on user click.*/ .hovertreenav .ink { display: block; position: absolute; background: hsl(180, 40%, 80%); border-radius: 100%; transform: scale(0); } /*animation effect*/ .hovertreenav .ink.animate { animation: ripple 0.65s linear; } @keyframes ripple { /*scale the element to 250% to safely cover the entire link and fade it out*/ 100% { opacity: 0; transform: scale(2.5); } } </style> <!--[if IE]> <script src="http://hovertree.com/texiao/html5/4/html5shiv.min.js"></script> <![endif]--> </head> <body style="background:#D1EFFE;"> <div class="hovertreenav"> <ul> <li><a href="http://hovertree.com">何问起</a></li> <li><a href="http://hovertree.com/menu/bootstrap/">Bootstrap</a></li> <li><a href="http://hovertree.com/menu/jquery/">jQuery</a></li> <li><a href="http://hovertree.com/menu/webfront/">web前端</a></li> <li><a href="http://hovertree.com/h/bjaf/kqud99m6.htm">CSS3动画</a></li> <li><a href="http://hovertree.com/h/bjaf/mcpnogp6.htm">HTML5红包</a></li> <li><a>点我有水波</a></li> </ul> </div> <script type="text/javascript" src="http://hovertree.com/ziyuan/jquery/jquery-1.12.1.min.js"></script> <script type="text/javascript"> //jQuery time var parent, ink, d, x, y; $(".hover"+"treenav ul li a").click(function(e){ parent = $(this).parent(); //create .ink element if it doesn't exist if(parent.find(".ink").length == 0) parent.prepend("<span class='ink'></span>"); ink = parent.find(".ink"); //incase of quick double clicks stop the previous animation ink.removeClass("animate"); //set size of .ink if(!ink.height() && !ink.width()) { //use parent's width or height whichever is larger for the diameter to make a circle which can cover the entire element. d = Math.max(parent.outerWidth(), parent.outerHeight()); ink.css({height: d, width: d}); } //get click coordinates //logic = click coordinates relative to page - parent's position relative to page - half of self height/width to make it controllable from the center; x = e.pageX - parent.offset().left - ink.width()/2; y = e.pageY - parent.offset().top - ink.height()/2; //set the position and add class .animate ink.css({top: y+'px', left: x+'px'}).addClass("animate"); }) </script> </body> </html>
