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
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 Language Specification # sec-math.sqrt2 |
Browser compatibility
BCD tables only load in the browser