The Math.SQRT2
property represents the square root of 2, approximately 1.414:
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Property attributes of Math.SQRT2 |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Description
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:
function getRoot2() { return Math.SQRT2; } getRoot2(); // 1.4142135623730951
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.0. |
ECMAScript 5.1 (ECMA-262) The definition of 'Math.SQRT2' in that specification. |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Math.SQRT2' in that specification. |
Standard | |
ECMAScript Latest Draft (ECMA-262) The definition of 'Math.SQRT2' in that specification. |
Draft |
Browser compatibility
The compatibility table in 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.
Update compatibility data on GitHub
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQRT2 | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 3 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support 1.0 | nodejs Full support Yes |
Legend
- Full support
- Full support