Math.SQRT2
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.SQRT2
static data property represents the square root of 2, approximately 1.414.
Try it
function getRoot2() {
return Math.SQRT2;
}
console.log(getRoot2());
// Expected output: 1.4142135623730951
Value
Property attributes of Math.SQRT2 | |
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Description
Math.SQRT2
is a constant and a more performant equivalent to Math.sqrt(2)
.
Because SQRT2
is a static property of Math
, you always use it as Math.SQRT2
, rather than as a property of a Math
object you created (Math
is not a constructor).
Examples
Using Math.SQRT2
The following function returns the square root of 2:
js
function getRoot2() {
return Math.SQRT2;
}
getRoot2(); // 1.4142135623730951
Specifications
Specification |
---|
ECMAScript® 2025 Language Specification # sec-math.sqrt2 |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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SQRT2 |
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.