怎么去除数组中的重复元素

如何去除数组中的重复元素?
如何去除数组中的重复元素?谁能用VBS写个函数,谢谢

------解决方案--------------------
VBScript code


arr= Array(1,3,4,4,6,3,2,3,1)
WScript.Echo Join(distinct(arr), ",")
Function distinct(arr)

    Dim dic, i
    Set dic = CreateObject("Scripting.Dictionary")
    For i = 0 To UBound(arr)
        If Not dic.Exists("k_" & Cstr(arr(i))) Then
            dic.Add "k_" & Cstr(arr(i)), arr(i)
        End If
    Next
    distinct = dic.Items()
End Function