Java script 3

JavaScript Arithmetic Operators

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

 

JavaScript Assignment Operators

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

 

JavaScript  Logical Operators

Operator	Description
= =	equal to
= = =	equal value and equal type
!=	not equal
!==	not equal value or not equal type
>	greater than
<	less than
>=	greater than or equal to
<=	less than or equal to
?	ternary operator

 

JavaScript Function Syntax

 function name(parameter1, parameter2, parameter3)

 {
    code to be executed
} 

 

 Example:

var x = myFunction(5, 2);        // Function is called, return value will end up in x
function myFunction(a, b)

 {
    return a * b;                // Function returns the product of a and b }