JsPractice/array practice.html at master · dengyakui/JsPractice · GitHub

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<!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" xml:lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
	<title></title>
	<script type="text/javascript">

		/*var arr=new Array();
		arr=["子曰:","三人行","必有我师焉"];

		function myJoin(arr)
		{
			var t="";
			for(var i=0;i<arr.length-1;i++)
			{
				t+=arr[i]+"|";
			}
			t+=arr[arr.length-1];
			return t;
		}
		alert(myJoin(arr));*/
		var arr=new Array();
		arr=[0,1,2,3];
		function myReverse(arr)
		{
				var t;
			for(var i=0;i<(arr.length)/2;i++)
			{

				t=arr[i];

				arr[i]=arr[arr.length-1-i];

				arr[arr.length-1-i]=t;
			}
			return arr;
		}
		alert(myReverse(arr).join("|"));


	</script>
</head>
<body>
	fsdfsf
</body>
</html>