The Math.E
property represents the base of natural logarithms, e, approximately 2.718.
Property attributes of Math.E
| |
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
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).
Math.E
The following function returns e:
function getNapier() { return Math.E; } getNapier(); // 2.718281828459045
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.0. |
ECMAScript 5.1 (ECMA-262) The definition of 'Math.E' in that specification. | Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Math.E' in that specification. | Standard | |
ECMAScript Latest Draft (ECMA-262) The definition of 'Math.E' in that specification. | Draft |
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
---|---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/E