JavaScript POW Function

The JavaScript POW function is one of the JavaScript Math function and it is used to calculate the Power of the specified expression. In this article we will show you, How to use POW() function in JavaScript Programming language with example.

Syntax of a JavaScript POW Function

The basic syntax of the POW Function in JavaScript Programming language is as shown below:

1	Math.pow(base, Exponent);

Base: Please specify the base value here.
Exponent: Please specify the Exponent value or power here.

For example, if x is base value and 2 is exponent then, Math.pow(x, 2) = x²

NOTE:

If the Base value or Exponent value argument is not a number, POW() function will return NaN.
If the Base value or Exponent value argument is Null, POW() function will return Zero.

JavaScript POW Function Example

The JavaScript POW function is used to return the Power of the given number. In this example, We are going to find the power of different data types and display the output

JAVASCRIPT CODE

<!DOCTYPE html>

<html>

<head>

<title> JavaScript POWER Function </title>

</head>

<body>

<h1> JavaScript POW Function </h1>

document.getElementById("Pos").innerHTML = Math.pow(2, 3);

document.getElementById("Neg").innerHTML = Math.pow(-2, 3);

document.getElementById("Multi").innerHTML = Math.pow(2, -3);

document.getElementById("Dec").innerHTML = Math.pow(2.50, 4.05);

document.getElementById("Neg_Dec").innerHTML = Math.pow(-3.10,-6.05);

document.getElementById("Str").innerHTML = Math.pow(2, "3");

document.getElementById("Str1").innerHTML = Math.pow(2, "String");

document.getElementById("Null").innerHTML = Math.pow(4, null);

</script>

</body>

</html>

OUTPUT

ANALYSIS

First three statements, We used the POW() Function directly on both the Positive integer and negative integer. From the above screenshot you can observe that, POW() Function is returning output.

Next, We used the POW() Function on both the Positive and negative decimal values. From the above screenshot you can observe that, POW() Function is returning NaN (Not a Number) as output for negative values.

1	document.getElementById("Neg_Dec").innerHTML = Math.pow(-3.10,-6.05);

Next, We used the POW() Function on String value. Following statement will convert the “3” to integer and return the output.

1	document.getElementById("Str").innerHTML = Math.pow(2, "3");

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

1	document.getElementById("Str1").innerHTML = Math.pow(2, "String");

Last, we used POW() Function along with Null value. Here null argument is converted to Zero.

1	document.getElementById("Null").innerHTML = Math.pow(4, null);

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Syntax of a JavaScript POW Function

JavaScript POW Function Example

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