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# VBScript LBound Function * * Complete VBScript Reference Manual](#) * * * The LBound function returns the lowest subscript of an array dimension. **Note:** LBound for any dimension is always 0. **Tip:** The LBound function is used with the UBound function to determine the size of an array. ### Syntax LBound(arrayname[,dimension]) | Parameter | Description | | :--- | :--- | | arrayname | Required. Name of the array variable. | | dimension | Optional. Which dimension's lower bound to return. 1 = first dimension, 2 = second dimension, and so on. Default is 1. | ## Examples ## Example 1 days=Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat") document.write(LBound(days) & "
") document.write(UBound(days) & "
") The output of the above example: 0 6 [Try it Yourself »](#) ## Example 2 A two-dimensional array: 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) & "
") document.write(UBound(food,1) & "
") document.write(LBound(food,2) & "
") document.write(UBound(food,2) & "
") The output of the above example: 0 2 0 3 [Try it Yourself »](#) * * Complete VBScript Reference Manual](#)