代碼如下：
<html> <style> .tb{width:100%;height:1px;overflow:hidden;background:rgb(250,100,0);margin:0 1px;} .lr{width:100%;height:20px;overflow:hidden;border-left:1px solid rgb(250,100,0);border-right:1px solid rgb(250,100,0);} .bg{width:100%;height:20px;overflow:hidden;} .button{position:relative;width:100%;height:20px;top:-20px;font- size:9pt;border:0;background:none;} </style> <div style="float:left;width:100;"> <div class=tb></div> <div class=lr> <div class=bg id=bg></div> <input class=button id=button type=button value="美化了的按鈕"> </div> <div class=tb></div> </div> <script> function rgb(){ ID=arguments[0] oRGB=eval(arguments[1]) nRGB=eval(arguments[2]) var IMG="" for(i=20;i>0;i=i-2){ RGB="rgb("+(oRGB[0]-1)+","+(oRGB[1]-1)+","+(oRGB[2]-1)+")" IMG+="<img style=\"width:100%;height:1px;background:"+RGB+"\">" } for(i=20;i>0;i=i-2){ RGB="rgb("+(nRGB[0]-1)+","+(nRGB[1]-1)+","+(nRGB[2]-1)+")" IMG+="<img style=\"width:100%;height:1px;background:"+RGB+"\">" } eval(ID+".innerHTML=IMG") } rgb("bg",[255,180,20],[255,140,20]) button.onmouseover=function(){rgb("bg",[255,200,20],[255,160,20])} button.onmouseout=function(){rgb("bg",[255,180,20],[255,140,20])} </script>
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