Performs a logical disjunction on two expressions.
expression1 || expression2 |
Arguments
- expression1
-
Any expression.
- expression2
-
Any expression.
Remarks
If either or both expressions evaluate to true, the result is true. The following table illustrates how the result is determined:
If expression1 coerces to
|
And expression2 coerces to
|
The result is | The result coerces to |
---|---|---|---|
true |
true |
|
true |
true |
false |
|
true |
false |
true |
|
true |
false |
false |
|
false |
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.