timeout=prompt("Set timeout (Second):"); count=0 current=location.href; if(timeout>0) setTimeout('reload()',1000*timeout); else location.replace(current); function reload(){ setTimeout('reload()',1000*timeout); count++; console.log('每('+timeout+')秒自动刷新,刷新次数:'+count); fr4me='<frameset cols=\'*\'>\n<frame src=\''+current+'\'/>'; fr4me+='</frameset>'; with(document){write(fr4me);void(close())}; }