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Microsoft® JScript Logical Operators Behavior |
Language Reference
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The following table describes the behavior of Microsoft JScript logical operators. The columns and rows represent the different types of expressions possible on either side of an logical operator in JScript, and the entries in the table describe the behavior.
This table applies to the following logical operators:
An E in the table indicates a run-time error and a B indicates a Boolean result.
| obj | as | ns | num | bool | undef | null | |
|---|---|---|---|---|---|---|---|
| obj | B | E | B | B | B | E | E |
| as | E | E | E | E | E | E | E |
| ns | B | E | B | B | B | E | E |
| num | B | E | B | B | B | E | E |
| bool | B | E | B | B | B | E | E |
| undef | E | E | E | E | E | E | E |
| null | E | E | E | E | E | E | E |
obj = object, as = alphanumeric string, ns = numeric string, num = number, bool = Boolean, undef = undefined, null = null value.
© 1996 by Microsoft Corporation.