The PI property of the Math object represents the value of pi (Ratio of the circumference and diameter of a circle.)
Syntax
Its Syntax is as follows
Math.PI
Example
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> var result = Math.PI; document.write(result); </script> </body> </html>
Output
3.141592653589793