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Math.atanh() 

Math.atanh(x) → number

Returns the hyperbolic arctangent of x.

Returns the hyperbolic arctangent of x. Returns Infinity or -Infinity for 1 and -1, and NaN if x is outside that range.

Arguments

NameTypeRequiredDefaultDescription
x number optional — A number between -1 and 1.

Returns

number The hyperbolic arctangent of x.

Example

let a = Math.atanh(0.5); // 0.5493061443340548

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