1 输出：  true false false true
 2 var arr1 = [5,6,7,8];
 3 var arr2 = [7,5,6,8];
 4 var arr3 = [7,5,6,2];
 5 var arr4 = [5,6,7,8];
 6 var aa = judgeArr(arr1,arr2);
 7 var bb = judgeArr(arr1,arr3);
 8 var cc = judgeAllArr(arr1,arr2);
 9 var dd = judgeAllArr(arr1,arr4);
10 trace(aa,bb,cc,dd);
11 
12 function judgeArr(arr1:Array,arr2:Array):Boolean
13 {
14     var len1:int = arr1.length;
15     var len2:int = arr2.length;
16     if (len1!=len2)
17     {
18         return false;
19     }
20     else
21     {
22         for (var i:int=0; i<len1; i++)
23         {
24 
25             var len = arr1.indexOf(arr2[i]);
26             if (len<0)
27             {
28                 return false;
29             }
30 
31         }
32         return true;
33     }
34 }
35 
36 //两个数组完全相等
37 function judgeAllArr(arr1:Array,arr2:Array):Boolean
38 {
39     var len1:int = arr1.length;
40     var len2:int = arr2.length;
41     if (len1!=len2)
42     {
43         return false;
44     }
45     else
46     {
47         for (var i:int=0; i<len1; i++)
48         {
49             if (arr1[i] != arr2[i])
50             {
51                 return false;
52             }
53 
54         }
55         return true;
56     }
57 }