페이지 로딩시 배경 컬러가 변합니다.

<script language="JavaScript"> function initArray() {   this.length = initArray.arguments.length   for (var i = 0; i < this.length; i++)     this[i+1] = initArray.arguments[i] } var hexChars = "0123456789ABCDEF"; function Dec2Hex (Dec) {   var a = Dec % 16;   var b = (Dec - a)/16;   hex = "" + hexChars.charAt(b) + hexChars.charAt(a);   return hex; } function bgChanger (begin, end, steps) {   steps = steps -1 ;   redA     = begin.charAt(0) + begin.charAt(1);   red_valA = parseInt(redA,'16');   redB     = end.charAt(0) + end.charAt(1);   red_valB = parseInt(redB,'16');   red_int  = ((red_valB - red_valA) / steps) * -1;   grnA     = begin.charAt(2) + begin.charAt(3);   grn_valA = parseInt(grnA,'16');   grnB     = end.charAt(2) + end.charAt(3);   grn_valB = parseInt(grnB,'16');   grn_int  = ((grn_valB - grn_valA) / steps) * -1;   bluA     = begin.charAt(4) + begin.charAt(5);   blu_valA = parseInt(bluA,'16');   bluB     = end.charAt(4) + end.charAt(5);   blu_valB = parseInt(bluB,'16');   blu_int  = ((blu_valB - blu_valA) / steps) * -1;   step = 2;   red = red_valA;   grn = grn_valA;   blu = blu_valA;   document.bgColor = begin;   while ( steps >= step ) {     red -= red_int;     red_round = Math.round(red);     red_hex = Dec2Hex(red);     grn -= grn_int;     grn_round = Math.round(grn);     grn_hex = Dec2Hex(grn);     blu -= blu_int;     blu_round = Math.round(blu);     blu_hex = Dec2Hex(blu);     document.bgColor = red_hex + grn_hex + blu_hex; //    document.write("<br>bgcolor = " + red_hex + grn_hex + blu_hex);     step++;   }   document.bgColor = end; } <!-- // black to black (pause)   bgChanger("000000","000000",25); // black to red   bgChanger("000000","FF0000",50); // red to purple   bgChanger("FF0000","AA00EE",50); // purple to blue   bgChanger("AA00EE","0000FF",50); // blue to green   bgChanger("0000FF","00FF00",50); // green to black   bgChanger("00FF00","000000",50); // black to black (pause)   bgChanger("000000","000000",25); // --> </script>