<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<script type="text/javascript">
		
		var a=prompt("请输入数字");
		var b=Number(a);
		var arr=[];
		var m=n=0;
		for(var i=0;i<b;i++)
		{
			arr[i]=Number(prompt("输入数字"));
		}
		for(var j=0;j<arr.length;j++)
		{
			if(arr[j]%2==0)
			{
				++m;
			}
			else
			{
				++n;
			}
		}
		
		console.log("奇数"+n);
		console.log("偶数"+m);
	</script>
</body>
</html>

js算法之奇偶分家_JavaScript