js小游戏，猜一个1~99的数字
呵呵。。呵呵呵呵。。。
保存成.html就可以玩了。
<!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>无标题文档</title><script type="text/javascript">var time=7;var i=prompt("猜一个范围在1~99的数字，你还可以猜"+time+"次","");var upb=99,lob=1;var num = Math.ceil(Math.random()*99);/*document.write(num);*/while(p=judge(i)){switch(p){case 1:i=prompt("你输入的数字不在"+lob+"到"+upb+"之间，是不可能猜对的哦。还能猜"+time+"次","");break;case 2:i=prompt("刚才猜的数字太大了，看来数字范围在"+lob+"到"+upb+"之间，还能猜"+time+"次","");break;case 3:i=prompt("刚才猜的数字太小了，看来数字范围在"+lob+"到"+upb+"之间，还能猜"+time+"次","");break;}}if(time){alert("恭喜你猜对了，数字是"+i);}elsealert("猜了7次还没猜对，还是按F5刷新重玩吧");function judge(i){time--;if(!time){return 0;}if (!(i>=lob&&i<=upb)){return 1;}if(i>num){if(upb>i)upb=i;return 2;}if(i<num){if(lob<i)lob=i;return 3;}if(i==num){return 0;}}</script></head><body></body>