To get the value of PI in JavaScript, use the Math.PI property. It returns the ratio of the circumference of a circle to its diameter, which is approximately 3.14159.
Example
You can try to run the following code to get the value of PI in JavaScript −
<html> <head> <title>JavaScript Math PI Property</title> </head> <body> <script> var property_value = Math.PI document.write("Property Value: " + property_value); </script> </body> </html>