Logical Operators Explained in Programming

Learn what is the logical operators and how to use logical operators in programming with examples, Javascript interview questions #21

Logical operators are one of the most important topics for javascript developers. They are widely used in many projects. Using logical operators has a crucial impact on decision-making algorithms.

There are 3 logical operators in programming

1- AND

2- OR

3- NOT

In this article, we will understand the meaning of the logical operators and how to use them in our code with examples.
Note: The examples given are specified in javascript but can be adaptable to any programming language.

Logical Operators

Logical operators have been used for checking the value’s existence. The result can either betrue or false after using logical operators.

One of the widely used areas for logical operators is decision-making.

AND Operator

The AND operator is used for checking if the defined values both exist.
Usage has been shown as below:

&&
x && y         // Either true or false