JavaScript Math.atanh()
Description
The Math.atanh() method returns the hyperbolic arctangent of a number.
The Math.atanh() method expects a number between -1 and 1.
The Math.atanh() method returns Infinity if the number is 1.
The Math.atanh() method returns -Infinity if the number is -1.
JavaScript Tangent Methods:
The Math.tan() MethodThe Math.tanh() Method
The Math.atan() Method
The Math.atan2() Method
The Math.atanh() Method
Sine and Cosine Methods:
The Math.sin() MethodThe Math.cos() Method
Syntax
Math.atanh(x)
Parameters
| Parameter | Description |
| x | Required. A number. |
Return Value
| Type | Description |
| Number | The hyperbolic arctangent of the number. Or NaN, or Infinity, or -Infinity. NaN if the number is greater than 1, or less than -1. |
Browser Support
Math.atanh() is an ECMAScript6 (ES6) feature.
ES6 (JavaScript 2015) is supported in all modern browsers since June 2017:
| Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |
Math.atanh() is not supported in Internet Explorer.
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