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toExponential() method in JavaScript

In this article, we will discuss toExponential method in JavaScript

Purpose

toExponential method is used to convert number into scientific notation.

Scientific notation

Scientific notation is a way of representing numbers that are too big or too small. In scientific notation, numbers are written in for the form of m X 10ⁿ (or me + n/ me-n).

For example, the number ‘2’ is represented as 2 X 10 ⁰ (or 2e+0) in scientific notation.

Syntax

num.toExponential()

Where num is the number, that is represented in scientific notation.

Example

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <script>
        var num = 2;
        alert(num.toExponential());
    </script>
</head>
<body>
    
</body>
</html>

Output

Click to Enlarge

Posted By -	Karan Gupta

Posted On -	Wednesday, July 12, 2017

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