Math.E

Euler's number, the base of natural logarithms, approximately 2.71828.

Since ES1 Spec ↗

Syntax

Math.E

Returns

number — Approximately 2.718281828459045.

Examples

console.log(Math.E);
Output
2.718281828459045
console.log(Math.log(Math.E));
Output
1

Notes

A read-only constant. `Math.exp(1)` equals this value, and `Math.log` is its inverse (base e).

Browser & runtime support

EnvironmentSince version
chrome 1.0
firefox 1.0
safari 1.0
edge 12
node 0.10

See also