换算方式 

<!DOCTYPE html>
<html lang="en">
<head>
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> 
	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
	<title>妖怪宝可萌-宝石合成换算</title>
	<meta name="generator" content="宝石合成换算" />
	<meta name="author" content="" />
	<meta name="keywords" content="" />
	<meta name="description" content="" />
</head>
<h1>妖怪宝可萌-宝石所需数量计算公式</h1>
<input type="text" name="n" value="" placeholder="请输入合成次数">
<input type="text" name="m" value="" placeholder="请输入宝石等级">
<input type="submit" name="" value="提交" onclick="echoNum();">
<div class="count"></div>
<body>
	<script type="text/javascript">

		function getNum(n,m){
		var n =	document.getElementsByName("n")[0].value;
		var m =	document.getElementsByName("m")[0].value;
			return 1<<(n-m);
		}
		function echoNum(){
			var c = document.getElementsByClassName("count")[0];
			console.log(c);
			c.innerHTML=("所需宝石一共（"+getNum()+"）颗");
		}
		
	</script>
</body>
</html>

　　

posted @ 2018-12-17 13:37  24K纯筛  阅读(120)  评论(0)    收藏  举报