js抓人游戏

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>无聊时写的游戏</title> 
<style type="text/css"> 
*{padding:0;margin:0} 
body{ background:#FFFFFF} 
img{display:inline;float:left;position:absolute;} 
#chat{display:inline;float:left;position:absolute;font-weight:bold;font-size:16px;} 
h1{float:left} 
span{float:left;font-size:32px;font-weight:bold;margin:0 20px} 
#score{color:red} 
#time{color:green} 
#restart{clear:both;color:blue;text-align:center;font-size:32px;font-weight:bold;margin:0 20px;display:none; cursor:pointer} 
</style> 
</head> 
<body onselectstart="return false"> 
<h1 onclick="sendChat();">啊! 这人好囧,快抓住他!</h1><span id="score">得分:0</span><span id="time">剩余:60秒</span>重新开始 
剩骑士,来抓我啊? 
<img src="http://img.gxlcms.com//Uploads-s/new/2019-09-17-201917/ren.gif" onmousemove="randomMove(this)" onmouseout="hitFlag=0" onclick="getScore()"/> 
</body> 
</html> 
<script language="javascript" type="text/javascript"> 
var imgv,hitFlag=0,startTime,gameStatus=0,ret; 
var score=0,chato,delay=0; 
var chatArr=new Array(); 
chatArr[0]="剩骑士,来抓我啊?"; 
chatArr[1]="废柴职业 凸(- -)凸"; 
chatArr[2]="灌装奶粉 凸-_-凸"; 
chatArr[3]="万年三奶"; 
chatArr[4]="环保装哦"; 
chatArr[5]="咬我啊?"; 
function restart(){ 
    var now = new Date(); 
    startTime = now.getTime(); 
    ret=setInterval("refreshTime()",10); 
    gameStatus=1;hitFlag=0;score=0;delay=0; 
    document.getElementById("score").innerHTML="得分:"+score; 
    document.getElementById("restart").style.display="none"; 
}

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]