JScript Logical OR Operator (||)

Used to perform a logical disjunction on two expressions.

result = expression1 || expression2

result

Any variable.

expression1

Any expression.

expression2

Any expression.

If either or both expressions evaluate to True, result is True. The following table illustrates how result is determined:

For information on when a run-time error is generated by the || operator, see the Operator Behavior table.

JScript uses the following rules for converting non-Boolean values to Boolean values:

· All objects are considered true.

· Strings are considered false if and only if they are empty.

· Null and undefined are considered false.

· Numbers are false if and only if they are 0.