Math Object Constants

How to get the value of constants like PI, Eulers in javascript?

Explanation

Object: Math Variables
Math object has the following variables that give the values of constants like PI, logarithm, Eulers, etc..

Constant	Example Code	Result	Description
E	Math.E;		Math.E returns the Eulers constant.
LN2	Math.LN2;		Math.LN2 returns the value of natural logarithm of base 2.
LN10	Math.LN10;		Math.LN10 returns the constant value of natural logarithm to the base 10.
LOG2E	Math.LOG2E;		Math.LOG2E returns the logarithmic value of E to the base 2.
LOG10E	Math.LOG10E;		Math.LOG10E returns the logarithmic value of E to the base 10.
PI	Math.PI;		Math.PI returns the value of constant PI.
SQRT1_2	Math.SQRT1_2;		Math.SQRT1_2 returns the Square Root of 0.5.
SQRT2	Math.SQRT2;		Math.SQRT2 returns the value of Square Root of 2.