<html><head><head><body><script language="javascript">// Array对象// 第一种构造方法var arr = new Array();alert(arr.length);arr[0] = 520 ;arr[1] = "wjp" ;alert(arr.length);// 第二种构造方法// Array(4) ;// 第三种构造方法// Array(520, "wjp", 13.14) ;// 数组排序var arr2 = new Array();arr[0] = 520 ;arr[1] = "wjp" ;arr[2] = 13.14 ;arr.sort();var x, str = "" ;for(x in arr){str += x + ":" + arr[x] +"\n" ;}alert(str);</script></body></html>
