1 (function(window,document,undefined){ 2 var hearts = []; 3 window.requestAnimationFrame = (function(){ 4 return window.requestAnimationFrame || 5 window.webkitRequestAnimationFrame || 6 window.mozRequestAnimationFrame || 7 window.oRequestAnimationFrame || 8 window.msRequestAnimationFrame || 9 function (callback){ 10 setTimeout(callback,1000/60); 11 } 12 })(); 13 init(); 14 function init(){ 15 css(".heart{ 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: ''; inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}"); 16 attachEvent(); 17 gameloop(); 18 } 19 function gameloop(){ 20 for(var i=0;i<hearts.length;i++){ 21 if(hearts[i].alpha <=0){ 22 document.body.removeChild(hearts[i].el); 23 hearts.splice(i,1); 24 continue; 25 } 26 hearts[i].y--; 27 hearts[i].scale += 0.004; 28 hearts[i].alpha -= 0.013; 29 hearts[i].el.style.cssText = "left:"+hearts[i].x+"px;top:"+hearts[i].y+"px;opacity:"+hearts[i].alpha+";transform:scale("+hearts[i].scale+","+hearts[i].scale+") rotate(45deg);background:"+hearts[i].color; 30 } 31 requestAnimationFrame(gameloop); 32 } 33 function attachEvent(){ 34 var old = typeof window.onclick==="function" && window.onclick; 35 window.onclick = function(event){ 36 old && old(); 37 createHeart(event); 38 } 39 } 40 function createHeart(event){ 41 var d = document.createElement("div"); 42 d.className = "heart"; 43 hearts.push({ 44 el : d, 45 x : event.clientX - 5, 46 y : event.clientY - 5, 47 scale : 1, 48 alpha : 1, 49 color : randomColor() 50 }); 51 document.body.appendChild(d); 52 } 53 function css(css){ 54 var style = document.createElement("style"); 55 style.type="text/css"; 56 try{ 57 style.appendChild(document.createTextNode(css)); 58 }catch(ex){ 59 style.styleSheet.cssText = css; 60 } 61 document.getElementsByTagName('head')[0].appendChild(style); 62 } 63 function randomColor(){ 64 return "rgb("+(~~(Math.random()*255))+","+(~~(Math.random()*255))+","+(~~(Math.random()*255))+")"; 65 } 66 })(window,document); 67 68 69 70 然后引入到具体的页面中即可