Math.LOG2E

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.

The Math.LOG2E static data property represents the base 2 logarithm of e, approximately 1.443.

Try it

Value

\mathtt{Math.LOG2E} = \log_2(\mathrm{e}) \approx 1.443

Property attributes of `Math.LOG2E`
Writable	no
Enumerable	no
Configurable	no

Description

Because LOG2E is a static property of Math, you always use it as Math.LOG2E, rather than as a property of a Math object you created (Math is not a constructor).

Examples

Using Math.LOG2E

The following function returns the base 2 logarithm of e:

function getLog2e() {
  return Math.LOG2E;
}

getLog2e(); // 1.4426950408889634

Specifications

Specification
ECMAScript Language Specification # sec-math.log2e

Browser compatibility

	Desktop					Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`LOG2E`	1	12	1	3	1	18	4	10.1	1	1.0	4.4	1.0	0.10.0