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Math.LOG2E (Constant/static)

A mathematical constant value.

Availability:

ECMAScript edition - 2

JavaScript - 1.0

JScript - 1.0

Internet Explorer - 3.02

Netscape - 2.0

Netscape Enterprise Server version - 2.0

Opera - 3.0

Property/method value type: Number primitive

JavaScript syntax: - Math.LOG2E

This constant provides the numeric value for the base-2 logarithm of e, the base of natural logarithms.

By inspection, the resulting value returned is 1.4426950408889634 although this may vary from platform to platform.

Warnings:

Note that the value of Math.LOG2E is approximately the reciprocal of the value of Math.LN2. The word approximately is used here because the mathematical accuracy of JavaScript implementations leaves something to be desired and there are some strange artifacts in some of the calculations.

ReadOnly, DontDelete, DontEnum.

ECMA 262 edition 2 - section - 15.8.1.4

ECMA 262 edition 3 - section - 15.8.1.4

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JavaScript Programmer's Reference, Cliff Wootton Wrox Press (www.wrox.com) Join the Wrox JavaScript forum at p2p.wrox.com Please report problems to support@wrox.com © 2001 Wrox Press. All Rights Reserved. Terms and conditions.