JavaScript Math.atan() Method

You are Here:

JavaScript Math.atan() Method

The Math.atan() method returns the arc-tangent (in radians) of a number as a value between -PI/2 and PI/2 radians.


HTML Online Editor
<!DOCTYPE html> <html> <body> <script> var result = Math.atan(2); document.write(result); </script> </body> </html>



Parameter Values

xRequiredSpecifies a number.

Return Value

NumberThe arc-tangent of the given number.
The return value will be between -π / 2 to π / 2.
The return value is represented in radians.
NaNIf the given value is empty.


Hi Developers, we almost covered 97% of JavaScript Tutorials with examples for quick and easy learning.

We are working to cover every Single Concept in JavaScript.

Please do google search for:

Join Our Channel

Join our telegram channel to get an instant update on depreciation and new features on HTML, CSS, JavaScript, jQuery, Node.js, PHP and Python.

This channel is primarily useful for Full Stack Web Developer.

Share this Page

Meet the Author