代码如下：
<script language="JavaScript"> <!-- Begin gamelength=30; timerID=null var playing=false; var numholes=6*10; var currentpos=-1; function clrholes() { for(var k=0;k<document.dmz.elements.length;k++) document.dmz.elements[k].checked=false; } function stoptimer() { if(playing) clearTimeout(timerID); } function showtime(remtime) { document.cpanel.timeleft.value=remtime; if(playing) { if(remtime==0) { stopgame(); return; } else { temp=remtime-1; timerID=setTimeout("showtime(temp)",1000); } } } function stopgame() { stoptimer(); playing=false; document.cpanel.timeleft.value=0; clrholes(); display("游戏结束"); alert('游戏结束.\n你一共得了: '+totalhits); } function play() { stoptimer(); if(playing) { stopgame(); return; } playing=true; clrholes(); totalhits=0; document.cpanel.score.value=totalhits; display("游戏"); launch(); showtime(gamelength); } function display(msg) { document.cpanel.state.value=msg; } function launch() { var launched=false; while(!launched) { mynum=random(); if(mynum!=currentpos) { document.dmz.elements[mynum].checked=true; currentpos=mynum; launched=true; } } } function hithead(id) { if(playing==false) { clrholes(); display("Push Start to Play"); return; } if(currentpos!=id) { totalhits+=-1; document.cpanel.score.value=totalhits; document.dmz.elements[id].checked=false; } else { totalhits+=1; document.cpanel.score.value=totalhits; launch(); document.dmz.elements[id].checked=false; } } function random() { return(Math.floor(Math.random()*100%numholes)); } // End --> </script> <center><h2>Hit-the-Dot</h2></center> <p align="center">在30秒内看谁击中的多，谁就赢了！ <form name="cpanel"> <center> <table cellspacing=3> <tr> <td><input type="button" name="startstop" value="开始/结束" onClick="play()"></td> <td><pre> </pre></td> <td align=right>时间:</td> <td><input type="text" name="timeleft" size="4" onFocus="this.blur()"></td> </tr> <tr> <td><input type="text" name="state" size="20" value="请单击"开始/结束"按钮，开始玩！" onFocus="this.blur()"></td> <td><pre> </pre></td> <td align=right>分数:</td> <td><input type="text" name="score" size="4" onFocus="this.blur()"></td> </tr> </table> </center> </form> <form name="dmz"> <center> <table cellspacing=3> <tr> <td colspan=10><hr size=1></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(0)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(1)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(2)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(3)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(4)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(5)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(6)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(7)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(8)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(9)"></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(10)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(11)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(12)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(13)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(14)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(15)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(16)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(17)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(18)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(19)"></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(20)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(21)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(22)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(23)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(24)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(25)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(26)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(27)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(28)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(29)"></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(30)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(31)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(32)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(33)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(34)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(35)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(36)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(37)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(38)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(39)"></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(40)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(41)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(42)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(43)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(44)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(45)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(46)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(47)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(48)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(49)"></td> </tr> <tr> <td align="center" valign="center"><input type="radio" onClick="hithead(50)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(51)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(52)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(53)"></td> <!-- “猎取网特效站”--最好的网页特效站www.liequ.net/texiao/，制作特效您只需轻点几下鼠标即可完成！ --> <td align="center" valign="center"><input type="radio" onClick="hithead(54)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(55)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(56)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(57)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(58)"></td> <td align="center" valign="center"><input type="radio" onClick="hithead(59)"></td> </tr> <tr><td colspan=10><hr size=1></td> </tr></table></center></form>