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® 2026 Language Specification # sec-math.log2e |
Browser compatibility
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