Logical AND Operator (&&)

Operation

Two expressions perform a logical union.

result = expression1 && expression2

Parameters

Result

Any variable .

Expression1

Any expression .

Expression2

Any expression.

Description

Result is trueif and only if the value of two expressions equals true . If the value of either expression is equal to false, result is 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 zero.

Requirements

version 1

Please see

Operator Precedence | Operator Summary