VBScript UBound Function

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# VBScript UBound Function

Complete VBScript Reference

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

<script type="text/vbscript">
days=Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat")
document.write(LBound(days) & "<br />")
document.write(UBound(days) & "<br />")
</script>

The output of the code above will be:

0
6
Try it yourself »

## Example 2

A two dimensional array:

<script type="text/vbscript">
Dim food(2,3)
food(0,0)="Apple"
food(0,1)="Banana"
food(0,2)="Orange"
food(0,3)="Lemon"
food(1,0)="Pizza"
food(1,1)="Hamburger"
food(1,2)="Spaghetti"
food(1,3)="Meatloaf"
food(2,0)="Cake"
food(2,1)="Cookie"
food(2,2)="Icecream"
food(2,3)="Chocolate"
document.write(LBound(food,1) & "<br />")
document.write(UBound(food,1) & "<br />")
document.write(LBound(food,2) & "<br />")
document.write(UBound(food,2) & "<br />")
</script>

The output of the code above will be:

0
2
0
3
Try it yourself »

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