Math.E
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
TheMath.E static data property represents Euler's number, the base of natural logarithms, e, which is approximately 2.718.
Try it
function compoundOneYear(interestRate, currentVal) { return currentVal * Math.E ** interestRate;}console.log(Math.E);// Expected output: 2.718281828459045console.log((1 + 1 / 1000000) ** 1000000);// Expected output: 2.718280469 (approximately)console.log(compoundOneYear(0.05, 100));// Expected output: 105.12710963760242Value
Property attributes ofMath.E | |
|---|---|
| Writable | no |
| Enumerable | no |
| Configurable | no |
Description
BecauseE is a static property ofMath, you always use it asMath.E, rather than as a property of aMath object you created (Math is not a constructor).
Examples
Using Math.E
The following function returns e:
js
function getNapier() { return Math.E;}getNapier(); // 2.718281828459045Specifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-math.e |