move.js
function startMove(obj,json,fn){ var flag=true;//标志所有运动是否到达目标值 clearInterval(obj.timer); obj.timer=setInterval(function(){ for(var attr in json){ var curr=0; //判断是否为透明度 if(attr=='opacity'){ curr=Math.round(parseFloat(getStyle(obj,attr))*100); }else{ curr=parseInt(getStyle(obj,attr)); } //移动速度处理 var speed=0; speed=(json[attr]-curr)/10; speed=speed>0?Math.ceil(speed):Math.floor(speed); if(curr!=json[attr]){ flag=false; } if (attr=='opacity') { obj.style.filter='alpha(opacity:'+(curr+speed)+")"; obj.style.opacity=(curr+speed)/100; }else{ obj.style[attr]=curr+speed+'px'; } } if(flag){ clearInterval(obj.timer); if(fn){ fu(); } } },30); } //取样式 function getStyle(obj,attr){ if(obj.currentStyle){//IE取样式 return obj.currentStyle[attr]; }else{ return getComputedStyle(obj,false)[attr]; } }