For … To … Step … Next

For counter = start To end [Step step]
[statements]
Next

Repeats a group of statements a specified number of times.

Parameters

counter

Variable used as a loop counter.

start

Initial value of counter.

end

Final value of counter.

step

Amount counter is changed each time through the loop. If not specified, step defaults to one. For automatically defines to increment or to decrement counter depending on start and end.

statements

One or more statements between For and Next that are executed the specified number of times.

Remarks

Once the loop starts and all statements in the loop have executed, step is added to counter. At this point, either the statements in the loop execute again (based on the same test that caused the loop to execute initially), or the loop is exited and execution continues with the statement following the Next statement.

start, end and step can be any expression or variable of any type.

You can nest For...Next loops by placing one For...Next loop within another.

Unlike While, For evaluates end only once.

Empty For is ignored and cannot be used for time delay.

Example

For i = 0 To 25

print i

Next

The following loop decrements i because end less than start.

For i = 0 To -25 Step 2.56

print i

Next

Nested For:

For i = 0 To 5

For j = 0 To 5

print "i = ", i, " j = ", j

Next

Next