原始檔如下..
<body onload="show_purpose()">
<script language="JavaScript">
<!--
var ShowString = " "
+ "波之仔首頁"
+ "之Java小程式"
var Width=50
var Head=0
var Tail=Width
var Length= ShowString.length
function show_purpose()
{
var Dishpaly;
if (Head < Tail)
Display=ShowString.substring(Head,Tail)
else
Display=ShowString.substring(Head,Length) + ShowString.substring(0,Tail);
Head=(Head+2)%Length
Tail=(Tail+2)%Length
document.ShowPurpose.ShowPad.value=Display
TimeID=setTimeout("show_purpose()", 300)
}
//-->
</script>
<form name="ShowPurpose">
<input type="text" size="35" name="ShowPad"
STYLE="background-color=black;color=#00ff99">
</form>