21.11.8 Conditional Expressions

21.11.8.1 if - endif
When the "if" condition enclosed in brackets "( )" is true, the expression following the "if ( )" statement is run.

21.11.8.2 if - else - endif
When the "if" condition enclosed in brackets "( )" is true, the expression following the "if ( )" statement is run. When the condition is false, the "else" expression is run.

21.11.8.3 loop - endloop
Loop processing is repeated according to the number stored in the temporary Addresses designated in the brackets "( )" following "loop".

21.11.8.4 break
Exits the loop ( ), while in the middle of the loop process.

21.11.8.5 return
Executes again from the beginning.
It can only be used in an Extended Script.