JavaScript Tutorial – Assignment Operators

What is JavaScript Assignment Operators?

Assignment operators assign values to JavaScript variables. Here are the five most common assignments in JavaScript:

Operator	Example	Same As
=	x = y	x = y
+=	x += y	x = x + y
-=	x -= y	x = x – y
*=	x *= y	x = x * y
/=	x /= y	x = x / y

= Operator

The = assignment operator assigns a value to a variable.

Assignment Operator

let x = 5;

Try It Yourself

+= Operator

The += addition operator adds a value to a variable.

Addition Operator

let x = 5;
x += 5;

Try It Yourself

-= Operator

The -= subtraction operator subtracts a value to a variable.

Subtraction Operator

let x = 5;
x -= 1;

Try It Yourself

*= Operator

The *= multiplication operator multiples a value to a variable.

Multiplication Operator

let x = 5;
x *= 2;

Try It Yourself

/= Operator

The /= division operator divides a value to a variable.

Division Operator

let x = 5;
x /= 2;

Try It Yourself

There are many more assignment operators in JavaScript, but we will not go over them in this tutorial. You will learn more about them at the later chapers.