Math.acosh()
The Math.acosh()
static method returns the inverse hyperbolic cosine of a number. That is,
Try it
Syntax
js
Math.acosh(x)
Parameters
x
-
A number greater than or equal to 1.
Return value
The inverse hyperbolic cosine of x
. If x
is less than 1, returns NaN
.
Description
Because acosh()
is a static method of Math
, you always use it as Math.acosh()
, rather than as a method of a Math
object you created (Math
is no constructor).
Examples
Using Math.acosh()
js
Math.acosh(0); // NaN
Math.acosh(1); // 0
Math.acosh(2); // 1.3169578969248166
Math.acosh(Infinity); // Infinity
Specifications
Specification |
---|
ECMAScript Language Specification # sec-math.acosh |
Browser compatibility
BCD tables only load in the browser