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
function getLog2e() {
return Math.LOG2E;
}
console.log(getLog2e());
// Expected output: 1.4426950408889634
Value
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:
js
function getLog2e() {
return Math.LOG2E;
}
getLog2e(); // 1.4426950408889634
Specifications
Specification |
---|
ECMAScript® 2025 Language Specification # sec-math.log2e |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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LOG2E |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.