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今天用OO写了一个键盘字母的游戏，可以用于平常的键盘练习，写的不好的地方谢谢指出。
主要实现了效果：
1.实现了积分的累加；
2.积分到一定程度后升级；
3.当字母下落到一定程度的时候就游戏失败。
附加效果图：
以下贴出代码：
<html><head><title>键盘游戏完整版</title></head><script>var speet=1; //移动的速度function createDiv(){var createbutton=document.createElement("div");createbutton.style.width="800px";createbutton.style.height="1000px";createbutton.style.border="2px solid";document.body.appendChild(createbutton);}function createSource(){var createSource; var score=500; //升级的最低积分var sco=0; //积分var i=1; //等级init();function init(){createSource=document.createElement("div");createSource.style.width="100px";createSource.style.height="20px";createSource.style.border="1px solid blue";createSource.innerHTML="积分:"+sco;createSource.position="absolute";document.body.appendChild(createSource);}this.leijia=function(){sco+=10;createSource.innerHTML="积分：";createSource.innerHTML="积分："+sco;//alert(zhengbai);if(sco == score){score+=500;alert("恭喜升级:"+i++);speet+=1;alert("speett-----------------"+speet);}}}function CharA(charDiv){var CharArray=new Array("A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","S","Y","Z");var a;init();function init(){a=document.createElement("div");var charDiv=CharArray[parseInt(Math.random() * 26)];a.innerHTML=charDiv;a.style.width="50px";a.style.position="absolute";a.style.height="50px";a.style.top="50px";a.style.left=Math.random() * 100 + Math.random() * 500 + 50 + "px";document.body.appendChild(a);}this.shoaa=function(){init();}this.move=function(){a.style.top=parseInt(a.style.top)+speet+"px";if(parseInt(a.style.top)>700){alert("game over");clearInterval(time);}}this.charinner=function(){return a.innerHTML;}this.hidden=function(){a.style.display="none";document.body.removeChild(a);}}function Game(){var chars=new Array();var cs=new createSource();createDiv();function initData(){for(var i=0;i<10;i++){var charA=new CharA();chars.push(charA);}}initData();this.start=function(){time=setInterval(function (){for(var i=0;i<chars.length;i++){chars[i].move();}},100);}document.οnkeydοwn=function(e){for(var i=0;i<chars.length;i++){//alert(chars[i].innerHTML);if(String.fromCharCode(e.which)==chars[i].charinner()){chars[i].hidden();chars[i].shoaa();cs.leijia();}}} }window.οnlοad=function(){var game=new Game();game.start();}</script><body></body>
</html>
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