Arithmetic Operators

+ // Addition
- // Subtraction
* // Multiplication
** // Exponent
/ // Division
% // Modulus
++ // Increment
-- // Decrement

// prefix
++count // it will first increase the value of count and then use it
--count // it will first decrease the value of count and then use it

// postfix
count++ // it will first use the value of count and then increase it
count-- // it will first use the value of count and then decrease it

Assignment Operators

= // x = y
+= // x = x + y
-= // x = x - y
*= // x = x * y
/= // x = x / y
%= // x = x % y
**= // x = x**y

Comparison Operators

== // equal to
!= // not equal to
=== // equal value and type
!== // not equal value OR not equal type
> // greater than
>= // greater than or equal to
< // less than
<= // less than or equal to

Logical Operators

&& // logical AND
|| // logical OR
! // logical NOT

Bitwise Operators

Other Operators

1. Nullish Coalescing Operator (??)

Used to handle null or undefined value.

let x;

x = 5 ?? 10; // x will contain 5
x = null ?? 10; // x will contain 10
x = undefined ?? 5; // x will contain 5
x = null ?? 5 ?? 10; // x will contain 5

Happy reading!