<SCRIPT language="JavaScript">
<!--
function scrollit(seed) {
var m1 = "欢迎大家学习JAVASCRIPT这门语言！";
var msg=m1;
var out = " ";
if (seed <= 100 && seed > 0) {
for (c=0 ; c < seed ; c++) {
out+=" ";
}
out+=msg;
seed--;
window.status=out;
cmd="scrollit("+seed+")";
window.setTimeout(cmd,100);
}
else if (seed <= 0) {
if (-seed < msg.length) {
out+=msg.substring(-seed,msg.length);
seed--;
window.status=out;
cmd="scrollit("+seed+")";
window.setTimeout(cmd,100);
}
else {
window.status=" ";
window.setTimeout("scrollit(100)",75);
}}}
//-->
</SCRIPT>
<body onLoad="scrollit(100)">
请看状态栏中的效果
</body>