Math.E

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The Math.E static data property represents Euler's number, the base of natural logarithms, e, which is approximately 2.718.

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Value

𝙼𝚊𝚝𝚑.𝙴=e≈2.718\mathtt{Math.E} = e \approx 2.718
Property attributes of Math.E
Writable no
Enumerable no
Configurable no

Description

Because E is a static property of Math, you always use it as Math.E, rather than as a property of a Math object you created (Math is not a constructor).

Examples

Using Math.E

The following function returns e:

js
function getNapier() {
  return Math.E;
}

getNapier(); // 2.718281828459045

Specifications

Specification
ECMAScript Language Specification
# sec-math.e

Browser compatibility

BCD tables only load in the browser

See also