Get the Value of PI with JavaScript

In this article, you will learn how to get the value of PI with JavaScript.

The Math.PI property

The Math.PI property returns the ratio of the circumference of a circle to its diameter.

The syntax is below.

Math.PI

console.log(Math.PI);
// expected output: 3.141592653589793

Sample Code

Below is a sample code to calculate the area of ​​a circle.

function calculateCircleArea(radius) {
  return radius * radius * Math.PI;
}

console.log(calculateCircleArea(10));
// expected output: 314.1592653589793