JavaScript Operator and &&, or || define with logical condition

JavaScript Operator && (AND), ||(OR).

&& and || Operators in JavaScript

They perform some operations on single or multiple values and provide results.

and like that double pipes represent the logical OR operator.

Logical AND Operator

Double ampersand to represent the logical AND operator

true && true; // true

true && false; //

false false && true; //

false false && false; // false

Logical OR Operator

true && true; // true

true && false; // true

false && true; // true

false && false; // false

Using Only Two Boolen Value True and False

Expalin by Example

&& Operator

const a = 6;
const b = -2;
console.log(a > 0 && b > 0);
// expected output: false

|| Operator

const a = 6;
const b = -2;
console.log(a > 0 || b > 0);
// expected output: true

 

The logical AND (&&) operator for a set of operands is true if and only if all of its operands are true.

The logical OR (||) operator for a set of operands is true if and only if one or more of its operands is true.