请问js如何动态改变一个对象的颜色？
比如说 有一个宽200px 高200px的DIV 如何让他的背景颜色动态的变换、，本人新手 请大虾们指点，多多感谢！
[解决办法]
获取那个div，
然后div.style.backgroundColor='rgb('+red+','+green+','+blue+')';
控制red,green,blue的值来改变div的颜色。
[解决办法]
每秒更新背景颜色随机
<!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" /><title>动态改变背景色</title></head><body><div style="width:200px;height:200px;display:block;background:#f60;" id="add"> </div></body><script>function Dec2Any(str,num){ if(!/\d+/.test(str)) return NaN; if(!/\d+/.test(num)) return NaN; var num=eval(num); if(num>36 || num<2) return NaN; var the_str="0123456789abcdefghijklmnopqrstuvwxyz"; var str=eval(str); var residue=0; var result=""; while(true){ residue=str%num; result = the_str.charAt(residue) + result; if(str<num) break; str=Math.floor(str/num); } return(result);}function GetRandomNum(Min,Max){ var Range = Max - Min; var Rand = Math.random(); return(Min + Math.round(Rand * Range));}function GetHex(){ var the_Hex = Dec2Any(GetRandomNum(0,255),16); if(the_Hex.length==1) the_Hex = "0" + the_Hex; return the_Hex;}function GetHexColor(){ return GetHex() + GetHex() +GetHex();} function chcolor(){ document.getElementById("add").style.background="#"+GetHexColor();}setInterval("chcolor()",1000);//每1称执行一次</script></html>
[解决办法]
var auto=setInterval(function(){$("div").css("backgroundColor","#"+randomcolor());},1000);function randomcolor(){ var str=Math.ceil(Math.random()*16777215).toString(16); if(str.length<6){ str="0"+str; } return str; }<div style='width:200px;height:200px'></div>
[解决办法]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> </head><script type="text/javascript"> var i=0; setInterval('changeColor()',500); //var str=Math.ceil(Math.random()*16777215).toString(16); function changeColor(){ var div=document.getElementById('div1'); //获得div元素 var color="#"+Math.ceil(Math.random()*16777215).toString(16); //建立颜色库 div.style.backgroundColor=color //循环颜色 }</script> <body> <div id="div1" style="width:200px;height:200px;border:1px solid gray;background:blue;"></div> </body></html>