Core JavaScript 1.5 Reference:Global Objects:Math:SQRT1 2

From MDC

Contents 1 Summary 2 Description 3 Examples 3.1 Example: Using SQRT1_2

[edit] Summary

The square root of 1/2; equivalently, 1 over the square root of 2, approximately 0.707.

Property of Math
Static, Read-only
Implemented in:	JavaScript 1.0, NES 2.0
ECMA Version:	ECMA-262

[edit] 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.

[edit] Examples

[edit] Example: Using SQRT1_2

The following function returns 1 over the square root of 2:

function getRoot1_2() {
   return Math.SQRT1_2
}