VBScript LBound Function

Definition and Usage

The LBound function can return the minimum index that indicates the dimension of the array.

Note:The LBound of any dimension is always 0.

Tip:The LBound function is used together with the UBound function to determine the size of an array. The UBound function can be used to find the upper bound of a dimension of an array.

Syntax

LBound(arrayname[,dimension])
Parameters Description
arrayname Required. The name of the array variable.
dimension Optional. To return the lower bound of which dimension. 1 = First dimension, 2 = Second dimension, and so on. The default is 1.

Instance

Example 1

dim a(10)
a(0)="Saturday"
a(1)="Sunday"
a(2)="Monday"
a(3)="Tuesday"
a(4)="Wednesday"
a(5)="Thursday"
document.write(UBound(a))
document.write("<br />")
document.write(LBound(a))

Output:

10
0