Core JavaScript 1.5 Reference:Global Objects:Math:LOG2E

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Contents 1 Summary 2 Description 3 Examples 3.1 Example: Using Math.LOG2E

[edit] Summary

The base 2 logarithm of E (approximately 1.442).

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

[edit] Description

Because LOG2E is a static property of Math, you always use it as Math.LOG2E, rather than as a property of a Math object you created.

[edit] Examples

[edit] Example: Using Math.LOG2E

The following function returns the base 2 logarithm of E:

function getLog2e() {
   return Math.LOG2E
}