文档介绍：例1:跑马灯效果1。<html><head><scriptlanguage="javascript"><!--varmsg=newString("欢迎来到河北华微电脑教育!");varseq=0,len;functionscroll(){len=;=(0,seq+1);seq++;if(seq>=len)seq=0;("scroll()",300);}//--></script></head><bodyonload="scroll()"></body></html>例2:跑马灯效果2。<html><head><title></title><scriptlanguage="javascript"><!--varmsg=newString("全国计算机等级考试华微考点");varspacen=0,dir=1;functionscroll(){varstart_space="";spacen=spacen+1*dir;if(spacen>=100||spacen<0)dir=-1*dir;for(i=0;i<spacen;i++)start_space+="";=start_spacen+msg;}functionstart(){setInterval("scroll()",100);}//--></script></head><bodyonload="start()"></body></html>例3:字符串的字符格式。<html><head><scriptlanguage="javascript"><!--functionss(){varmsg=prompt("请输入要显示的内容:");varms=prompt("请输入字号(0-7):");varmc=prompt("请输入字体颜色:");if(msg!=null&&ms!=null&&mc!=null){((ms).fontcolor(mc));}}//--></script></head><bodyonload="ss()"></body></html>例4:验证电子邮件地址。<html><head><title>验证电子邮件地址</title></head><body><scriptlanguage="javascript"><!--vartemp=false;varparsed=true;varfullchars="abcdefghijklmnopqrstuvwxyz0123456789.@";varemail=prompt("请输入您的电子邮件地址:");for(i=0;i<;i++){varletter=(i);if(letter=="@")temp=true;}if(temp==true){for(i=0;i<;i++){varletter=(i).toLowerCase();if((letter)!=-1)continue;alert("对不起,包括错误字符:"+letter);parsed=false;break;}if(parsed==true)alert("您输入的电子邮件地址正确!");}else{alert("对不起,您输入的地址不包括'@'字符!")}//--></script></body></html>例5:走动的时钟。<html><head><scriptlanguage="javascript"><!--functiontimer(){vartoday=newDate();varhours=();varmins=();varsecs=();varnoon="AM";if(hours>12){noon="PM";hours=hours-12;}if(hours==0)hours=12;if(mins<10)mins="0"+mins;if(secs<10)secs="0"+secs;myclock=hours+":"+mins+":"+secs+""+noon;=myclock;setTimeout("timer()",1000);}//--></script></head><bodyonload="timer()"><spanid="position"></san></body></html>例6:记录停留时