ELSEIF

ELSEIF is used in an IF...THEN block statement to offer an alternative condition.

Syntax

IF condition THEN

{code}

⋮

ELSEIF condition2 THEN

{code}

⋮

ELSE

{alternative-code}

⋮

END IF

Description

• ELSEIF statements require a separate code block line with THEN for each alternative condition.
• There can be more than one ELSE IF statement in a single-line IF statement.
• If there is only one possible alternative condition (such as 0 or NOT 0), use ELSE instead.
• If the comparisons are based on multiple conditions being true, it may require many ELSEIF comparisons. ELSE could help cover some of those conditions.
• You can use SELECT CASE when IF blocks have a long list of alterative ELSEIF conditions.

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Examples

Example 1: IF statement using ELSE IF in one statement line.

IF x = 100 THEN COLOR 10: PRINT x ELSE IF x > 100 THEN COLOR 12: PRINT x ELSE PRINT "< 100"

Example 2: IF statement block

IF x = 100 THEN ' must place ANY code on next line! COLOR 10: PRINT x ELSEIF x > 100 THEN COLOR 12: PRINT x ELSE : PRINT "< 100" END IF

See also

• ELSE, END IF
• IF...THEN

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