<!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> ???<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> ???<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> ???<title>利用JS实现文字的聚合动画效果</title> ???<style> ???????.boxWrap1{width: 160px;height: 417px;position: relative;margin:0px auto;} ???????.boxWrap1 img{width: 100%;} ???????.boxWrap1 div{background: url(http://itakeo.com/wpimg/2_1.png) no-repeat;background-size: 160px auto; position: absolute; left: 0px;top: 0px; ???????} ???????.boxWrap1.set div{ opacity: 1!important; ???????????transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; ???????????-moz-transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; ???????????-webkit-transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; ???????} ???????.boxSiteWrap{ width: 100%;overflow: hidden;height: auto; background: #000;padding: 140px 0} ???????.boxSiteWrap button{cursor:pointer;display: block;font-size: 16px; width: 140px;height: 40px; background: #fff;color: #000;border:none;margin:30px auto;} ???</style></head><body><div class="boxSiteWrap"> ???<div class="boxWrap1"></div> ???<button>重新加载</button></div><script> ???window.addEventListener(‘load‘,function(){ ???????;(function(){ ???????????function init(){ ???????????????var box = document.querySelector(‘.boxWrap1‘) ????????????????var c=4,r=8; ???????????????var w = box.offsetWidth/c,h = box.offsetHeight/r; ???????????????for(var i=0;i<r;i++){ ???????????????????for(var j=0;j<c;j++) { ???????????????????????var _div=document.createElement(‘div‘); ???????????????????????var _left = j * w,_top = i * h; ???????????????????????_div.style.cssText = ‘width:‘+w+‘px;height:‘+h+‘px;left:‘+_left+‘px;top:‘+_top+‘px; opacity:0;background-position:‘+(-_left) + ‘px ‘ + (-_top) + ‘px‘; ???????????????????????_div.style.transition = _div.style.MozTransition = _div.style.WebkitTransition = ‘all ‘+ Random(1,1.8) +‘s ease‘; ???????????????????????_div.style.transform = _div.style.MozTransform = _div.style.WebkitTransform = ‘perspective(800px) translate3d(‘+Random(-200,200)+‘px, ‘+Random(-200,200)+‘px,300px) rotate(‘+Random(-90,90)+‘deg) scale(‘+ Random(0,2) +‘)‘ ???????????????????????box.appendChild(_div); ???????????????????}; ???????????????}; ???????????????setTimeout(function(){ ???????????????????box.classList.add(‘set‘) ???????????????},100); ???????????????function Random(start,end){ ???????????????????return Math.random()*(end-start)+start; ???????????????}; ???????????}; ???????????init(); ???????????var flag = true; ???????????document.querySelector(‘button‘).onclick = function(){ ???????????????if(flag){ ???????????????????document.querySelector(‘.boxWrap1‘).classList.remove(‘set‘) ???????????????????setTimeout(function(){ ???????????????????????document.querySelector(‘.boxWrap1‘).innerHTML = ‘‘; ???????????????????????init(); ???????????????????????flag = true; ???????????????????},1200); ???????????????????flag = false; ???????????????}; ???????????}; ???????})(); ???});</script></body></html>原文链接：http://itakeo.com/blog/2015/12/14/imgcover/?none=123
js文字聚合拼接
原文地址：http://www.cnblogs.com/xiaobaibubai/p/7504112.html