Logical "or" operator (| |)

Source: Internet
Author: User
Tags expression

Performs a logical "or" on two expressions.

result = expression1 || expression2



Any variable .


Any expression .


Any expression.


Result is trueif one or two of the two expressions are equal to true. The following table illustrates how result is determined:

If expression1 is and Expression2 is then result is
True True True
True False True
False True True
False False False

JScript uses the following rules to convert a non-Boolean value to a Boolean value:

    • All objects are considered true.
    • The string is considered false if and only if it is empty.
    • null and undefined are considered false.
    • The number is false if and only if it is 0 o'clock.


Version 1

Please see

Operator Precedence | Operator Summary

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