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JavaScript Arithmetic and Assignment Operators
Arithmetic Operators
Arithmetic operators used to perform arithmetic operations between variables.
Operator
Description
Example
+
Addition
x=y+2
-
Subtraction
x=y-2
*
Multiplication
x=y*2
/
Division
x=y/2
%
Modulus
x=y%2
++
Increment
x=++y
--
Decrement
x=--y
Assignment Operators
Operator
Description
=
x=y
+=
x+=y
-=
x-=y
*=
x*=y
/=
x/=y
%=
x%=y
Comparison Operators
Comparison operators are used in logical statements to determine equality or difference between variables or values.
Operator
Description
==
is equal to
= = =
is exactly equal to (value and type)
! =
is not equal to
>
is greater than
<
is less than
>=
is greater than or equal to
<=
is less than or equal to
Logical Operators
Logical operators are used to determine the logic between variables or values.
Operator
Description
&&
and
!
not
||
or
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Conditional Operator
JavaScript also contains a conditional operator that assigns a value to a variable based on some condition.
Syntax:
variable_name=(condition) ? value1 : value2
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