W3cubDocs

Math.LOG2E

The Math.LOG2E property represents the base 2 logarithm of e, approximately 1.442:

$\mathtt{\mi{Math.LOG2E}} = \log_2(e) \approx 1.442$

Try it

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