<!DOCTYPE HTML>
<html>
<head>
<title>please enter your title</title>
<meta charset="utf-8">
<meta name="Author" content="潭州学院-阿飞老师">
<style type='text/css'>
*{ margin:0; padding:0;}
</style>
</head>
<body>
<script type="text/javascript">
//var arr = [1,2,3,4];
// arr.length; 可读可写
// arr[0]; 可读可写
//arr.length = 8;
//alert( arr );
//var a = arr.push( 1 , 2 );
//var a = arr.unshift('阿飞' , '空山');
//arr = [1,2,3,4,[4,5,6]]
//alert( arr );
//arr.shift();
//alert( arr );
//arr.splice( 6,0,'阿' );
//alert( arr );
/*
var arr = [5,6,7,8,2,1,5,6];
arr.sort(function(x,y){
return y-x;
});
alert( arr );
*/
/*
var arr = [1,2,3];
//var a = arr.concat( [4,5,6] );
//alert( a.length );
var a = arr.join('|');
alert( a );
*/
</script>
</body>
</html>