Math.SQRT2

The Math.SQRT2 property represents the square root of 2, approximately 1.414:

$\mathtt{\mi{Math.SQRT2}} = \sqrt{2} \approx 1.414$

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
ECMAScript Language Specification (ECMAScript) # sec-math.sqrt2

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`SQRT2`	1	12	1	3	3	1	1	18	4	10.1	1	1.0