VBScript UBound Function

The UBound function returns the largest subscript for the indicated dimension of an array.

Tip: Use the UBound function with the LBound function to determine the size of an array.

Syntax

UBound(arrayname[,dimension])

Parameter	Description
arrayname	Required. The name of the array variable
dimension	Optional. Which dimension's upper bound to return. 1 = first dimension, 2 = second dimension, and so on. Default is 1

Examples

Example 1

The output of the code above will be:

0
6

Example 2

A two dimensional array:

The output of the code above will be:

0
2
0
3