JavaScript tutorial:
PI property

 

Applies to: Math Object

The PI property is used to get the ratio of the circumference of a circle to its diameter, approximately 3.141592653589793.

Syntax

var numVar
numVar
= Math.PI

Return value

Returns the ratio of the circumference of a circle to its diameter.

Example

The PI property, a constant, is approximately equal to 3.14159.

See also: Math Object Properties