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JavaScript and XPages reference
This reference describes the JavaScript™ language elements, Application Programming Interfaces (APIs), and other artifacts that you need to create scripts, plus the XPages simple actions.
Standard (JavaScript)
The Standard library contains classes for manipulating data of different types and performing common operations.
Math (JavaScript)
Represents common mathematical values and functions.
LOG2E (JavaScript)
Value of the logarithm of e to the base 2.

LOG2E (JavaScript)

Value of the logarithm of e to the base 2.

Defined in

Math.LOG2E

LOG2E is a constant.

The value of the logarithm of e to the base 2 is approximately 1.4426950408889634.

To get the logarithm to the base 2 of any number n, multiplyMath.log(n) by this constant.

This button onclick event gets the logarithm of a number to the base 2.

sessionScope.log2 = Math.log(sessionScope.n) * Math.LOG2E