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HyperTalk Reference

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Logical operators

not

Results in true if the expression on its right is false, and false if the expression on its right is true.

not (it contains "stack")
not (the number of this card is 1)

and

Results in true if both the expression to its left and the expression to its right are true.

(N = 0) and (the number of this card = 1)
(the name of this card is "index") and ¬
(the number of this card = 1) and ¬
(myVar is not false)

or

Results in true if either the expression to its left or the expression to its right is true.

(N = 1) or (the number of this card < 10)
basicTerm is "button" or ¬
basicTerm is "field" or ¬
basicTerm is "card" or ¬
basicTerm is "background" or ¬
basicTerm is "stack"

Related Topics

• if (multiple-statement)
• if (single-statement)
• repeat
• repeat for
• repeat until
• repeat while
• repeat with