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JavaScript TANH

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The JavaScript TANH function is one of the JavaScript Math function which is used to calculate the trigonometry hyperbolic tangent for the specified expression.

In this article we will show you, How to use TANH() function in JavaScript Programming language with example.

TIP: Please refer JavaScript TAN Function article to understand the Tangent Function.

Syntax of a JavaScript TANH Function

The basic syntax of the TANH() Function in JavaScript Programming language is as shown below:

Math.tanh(number);

Number: It can be a number or a valid numerical expression for which you want to find hyperbolic Tangent value.

  • If the number argument is positive or Negative number, TANH() function will return the hyperbolic Tangent value.
  • If the number argument is not a number, JavaScript TANH() function will return NaN.
  • and if the number argument is null value, TANH() function will return Zero.

HINT: We can achieve the same result using below formula. Please refer JavaScript EXP article to understand the Function.

(Math.exp(number) - Math.exp(- number)) / (Math.exp(number) + Math.exp(- number))

JavaScript TANH Function Example

The JavaScript TANH Function allows you to find the trigonometry hyperbolic Tangent for the numeric values.

In this example, We are going to find the JavaScript hyperbolic Tangent values for different data types and display the output

JAVASCRIPT CODE

<!DOCTYPE html>
<html>
<head>
    <title> JavaScript TANH() Function </title>
</head>
<body>
  <h1> JavaScript TANH Function </h1>
  <p id = "Pos"></p>
  <p id = "Neg"></p>
  <p id = "Dec"></p>
  <p id = "Neg_Dec"></p>
  <p id = "Str"></p>
  <p id = "Exp"></p>
  <p id = "Null"></p>
  <p id = "Multi"></p>
  <script>
    document.getElementById("Pos").innerHTML = Math.tanh(1);
    document.getElementById("Neg").innerHTML = Math.tanh(-2);
    document.getElementById("Dec").innerHTML = Math.tanh(4.45);
    document.getElementById("Neg_Dec").innerHTML = Math.tanh(-2.75);
    document.getElementById("Str").innerHTML = Math.tanh("JavaScript");
    document.getElementById("Null").innerHTML = Math.tanh(null);
    document.getElementById("Multi").innerHTML = Math.tanh(2 + 9 - 7);
  </script>
</body>
</html>

OUTPUT

JavaScript TANH Function

ANALYSIS

Within the First two statements, We used the TANH() Function directly on both the Positive integer and negative integer. Next two statements, We used theTANH() Function on both the Positive and negative Decimal values.

If you observe the above screenshot, JavaScript TANH() function is working perfectly with Integers and Decimal values.

Next, We tried TANH() Function on String value. As we said before, this will return NaN (Not a Number) as output

document.getElementById("Str").innerHTML = Math.tanh("JavaScript");

Next, We tried TANH() Function on Null value. As we said before, this will return Zero as output

document.getElementById("Null").innerHTML = Math.tanh(null);

In the below statement, We used the JavaScript TANH() Function directly on multiple values.

document.getElementById("Multi").innerHTML = Math.tanh(2 + 9 - 7);

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