javascript基础(数组操作1)

//实现数组的后进后出///
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>jsarray</title>
	<script type="text/javascript">
	    var array =[1,2,3,4,5,6];
	    var i=1;
	     function writedown(number){
		    console.log(number);
		 }
		 function arraypop(number){
			number.reverse();
			number.pop();
			number.reverse();
		 }
	    function addnumber(){
	      var arr=array;
		  array.push(i);
		  i++;
		  writedown(arr);
		  console.log(array.length);
		  arraypop(arr);
	   }
	</script>
</head>
<body>
<input type="button" onclick="javascript:addnumber()" value="addnumber" />
</body>
</html>

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