<script language="JavaScript"> <!--Begin function scrollit(seed){ var m1="本示例是跑马灯状态栏 "; var m2="本示例采用JavaScript语言是安全的语言 "; var m3="JavaScript语言是安全的语言 "; var m4="JavaScript语言是脚本语言 "; var m5="JavaScript语言是基于对象的语言 "; var msg=m1+m2+m3+m4+m5; var out=" ";
<!--Begin
function scrollit(seed){
var m1="本示例是跑马灯状态栏 ";
var m2="本示例采用JavaScript语言是安全的语言 ";
var m3="JavaScript语言是安全的语言 ";
var m4="JavaScript语言是脚本语言 ";
var m5="JavaScript语言是基于对象的语言 ";
var msg=m1+m2+m3+m4+m5;
var out=" ";
if(seed>100){
seed--;
cmd="scrollit("+ seed +")";
timerTwo=window.setTimeout(cmd,100);
}
else if(seed<=100 && seed>0){
for(var c=0;c<seed;c++){
out+=" ";
}
out+=msg;
seed--;
window.status=out;
cmd="scrollit("+seed+")";
timerTwo=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+"")';
timerTwo=window.setTimeout(cmd,100);
}
else{
window.status=" ";
timerTwo=window.setTimeout("scrollit(100)",75);
}
}
}
//end -->
</script>
<body onLoad="scrollit(100)">
<b>请看浏览器的状态栏!</b>
</body>
</html>
请问这段代码怎么在运行时,只能看到“请看浏览器的状态栏!“这么一句话呀?<html>
<head><script language="JavaScript">
<!--
//滚动的象素数
n=700//向下滚动
function scrolldown(){
for(i=1;i<=n;i++){
scrollTo(1,i);
}
}
//向上滚动
function scrollup(){
for(i=n;i>1;i--){
scrollTo(n,i);
}
}
//-->
</script>
<title>7-4</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head><body bgcolor="#FFFFFF" text="#000000">
<form>
<input type=button value="向下滚动" onClick="scrolldown()">
</form><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br><form>
<input type=button value="向上滚动" onClick="scrollup()">
</form><br><br><br><br><br><br><br><br>
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</body>
</html>