Math.SQRT2
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 |
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