Source @ github

Math.acosh

acosh — Returns the hyperbolic arc-cosine of a number.

Description

Math.acosh(number number)

Parameters

Name Description Type Default Optional
number A number equal to or greater than 1. number No

Examples

Example #1 – acosh example
console.log(Math.acosh(1));    // 0
console.log(Math.acosh(4));    // 2.0634370688955608
console.log(Math.acosh(4.2));  // 2.113748230923511
console.log(Math.acosh(10));   // 2.993222846126381
console.log(Math.acosh(0));    // NaN

External references