Visit Mozilla.org

Core JavaScript 1.5 Reference:Global Objects:Math:SQRT2

From MDC


Contents

[edit] Summary

The square root of 2, approximately 1.414.

Property of Math

Static, Read-only

Implemented in: JavaScript 1.0, NES 2.0
ECMA Version: ECMA-262

[edit] 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.

[edit] Examples

[edit] Example: Using Math.SQRT2

The following function returns the square root of 2:

function getRoot2() {
   return Math.SQRT2
}