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Math.E

The Math.E property represents Euler's number, the base of natural logarithms, e, which is approximately 2.718.

$\mathtt{\mi{Math.E}} = e \approx 2.718$

Try it

Property attributes of `Math.E`
Writable	no
Enumerable	no
Configurable	no

Description

Because E is a static property of Math, you always use it as Math.E, rather than as a property of a Math object you created (Math is not a constructor).

Examples

Using Math.E

The following function returns e:

function getNapier() {
  return Math.E;
}

getNapier(); // 2.718281828459045

Specifications

Specification
ECMAScript Language Specification # sec-math.e

Browser compatibility

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	Deno	Node.js
`E`	1	12	1	3	3	1	4.4	18	4	10.1	1	1.0	1.0	0.10.0