The Math.SQRT1_2 property represents the square root of 1/2 which is approximately 0.707:
Math.SQRT1_2
Try it
Property attributes of Math.SQRT1_2 |
|
|---|---|
| Writable | no |
| Enumerable | no |
| Configurable | no |
Description
Because SQRT1_2 is a static property of Math, you always use it as Math.SQRT1_2, rather than as a property of a Math object you created (Math is not a constructor).
Examples
Using Math.SQRT1_2
The following function returns 1 over the square root of 2:
function getRoot1_2() { return Math.SQRT1_2; } getRoot1_2(); // 0.7071067811865476
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-math.sqrt1_2 |
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 | |
SQRT1_2 |
1
|
12
|
1
|
3
|
3
|
1
|
1
|
18
|
4
|
10.1
|
1
|
1.0
|
1.0
|
0.10.0
|
See also
© 2005–2022 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/SQRT1_2
