本文实例讲述了js实现的彩色方块飞舞奇幻效果。分享给大家供大家参考,具体如下:
运行效果截图如下:

具体代码如下:
<!DOCTYPE html><html> <head><title>demo</title><style type="text/css"> body {margin:0; padding:0; } ul {list-style:none; margin:0; padding:0; } li {position:absolute; } #power {font-size:50px; line-height:100px; border:2px solid green; color:green;position:absolute; right:20px; bottom:20px;}</style> </head> <body><ul id="canvas"></ul> </body> <script type="text/javascript">var $ = function(id) { return document.getElementById(id);}var $_name = function(tag) { return document.getElementsByTagName(tag);}var color = function() { var _color = "rgb("; _color += Math.round(Math.random()*255); _color += ","; _color += Math.round(Math.random()*255); _color += ","; _color += Math.round(Math.random()*255); _color += ")"; return _color;}var createLi = function(attr) { var ele = document.createElement("li"); ele.style.backgroundColor = attr.bgColor || "black"; ele.style.left = attr.left + "px"; ele.style.top = attr.top + "px"; ele.style.width = ele.style.height = "15px"; ele.onmouseover = function() {var _self = this;var _rotate = 0;if(_self.interval) { clearInterval(_self.interval); _self.style.backgroundColor = _self._backgroundColorBK;}_self._backgroundColorBK = _self.style.backgroundColor;_self.style.backgroundColor = color();_self.interval = setInterval(function() { _self.style.webkitTransform = "rotate("+_rotate+"deg)"; _rotate += 30; if(_rotate > 360) {clearInterval(_self.interval);_self.onmouseover = null;_self.style.backgroundColor = _self._backgroundColorBK;move(_self);return; }}, 100); } return ele;}var loca = { x: 1000,y: 0};var move = function(obj) { var _self = obj; var curX = parseInt(_self.style.left); var curY = parseInt(_self.style.top); var sX = loca.x - curX; var sY = loca.y - curY; var addX = sX/36; var addY = sY/36; var rotate = 0; var backgroundColorBK = _self.style.backgroundColor; _self.interval = setInterval(function() {_self.style.width = _self.style.height = (parseInt(_self.style.height) + 5) + "px";_self.style.webkitTransform = "rotate("+rotate+"deg)";curX += addX; curY += addY;_self.style.left = curX + "px";_self.style.top = curY + "px";_self.style.backgroundColor = color();rotate += 10;if(rotate > 360) { _self.style.left = loca.x + "px"; _self.style.top = loca.y + "px"; clearInterval(_self.interval); _self.style.backgroundColor = backgroundColorBK; return;} }, 30);}var init = function() { var ul = $("canvas"); for(var i=50; i<90; i++) {for(var j=50; j<90; j++) { var color = "rgb("+i+","+j+","+Math.round(Math.random()*255)+")"; ul.appendChild(createLi({bgColor: color, left:(j-50)*16 ,top:(i-50)*16}));} }}var main = function() { init();}main(); </script></html>更多关于js特效相关内容感兴趣的读者可查看本站专题:《jQuery动画与特效用法总结》、《jQuery常见经典特效汇总》及《JavaScript动画特效与技巧汇总》
希望本文所述对大家JavaScript程序设计有所帮助。