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VBScript LBound function

May 13, 2021 VBScript

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1. VBScript LBound function

VBScript LBound function

VBScript LBound function

Complete VBScript reference manual

The LBound function returns the minimum undersector that indicates the array dimensionality.

Note: LBound for any dimensionality is always 0.

Tip: The LBound function, in use with the UBound function, determines the size of the array.

Grammar

LBound(arrayname[,dimension])

parameter	describe
arrayname	Required.The name of the array variable.
dimension	Optional.It is necessary to return which one dimension of the lower bound.1 = First dimension, 2 = second dimension, and so on.The default is 1.

Instance 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 above example output results:

0
6

Try it out . . .

Instance 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 above example output results:

0
2
0
3

Try it out . . .

VBScript LBound function

Complete VBScript reference manual