js 数组对象

<!--
Array对象
常用方法
concat():合并数组
sort（）：排序
push（）：末尾追加元素
reverse（）：数组元素翻转
-->

<script>

// var a=["hello","world"];
// var b =["ze","feng"];
// var c=a.concat(b);
// document.write(c);
//
// var d=["e","a","s","b"];
//// document.write(d.sort());
// document.write(d.reverse());
var e=["0","5","8","1","5","3"];
document.write(e.sort(function(a,b){
return b-a;//降序

}));

var a=["a","b"];

a.push("c");
document.write(a);
</script>