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Math.LOG10E

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The Math.LOG10E static data property represents the base 10 logarithm of e, approximately 0.434.

{{InteractiveExample("JavaScript Demo: Math.LOG10E", "shorter")}}

```js interactive-example function getLog10e() { return Math.LOG10E; }

console.log(getLog10e()); // Expected output: 0.4342944819032518

## Value

<!-- prettier-ignore-start -->
<math display="block">
  <semantics><mrow><mi>𝙼𝚊𝚝𝚑.𝙻𝙾𝙶𝟷𝟶𝙴</mi><mo>=</mo><msub><mo lspace="0em" rspace="0em">log</mo><mn>10</mn></msub><mo stretchy="false">(</mo><mi mathvariant="normal">e</mi><mo stretchy="false">)</mo><mo>≈</mo><mn>0.434</mn></mrow><annotation encoding="TeX">\mathtt{Math.LOG10E} = \log_{10}(\mathrm{e}) \approx 0.434</annotation></semantics>
</math>
<!-- prettier-ignore-end -->

{{js_property_attributes(0, 0, 0)}}

## Description

Because `LOG10E` is a static property of `Math`, you always use it as `Math.LOG10E`, rather than as a property of a `Math` object you created (`Math` is not a constructor).

## Examples

### Using Math.LOG10E

The following function returns the base 10 logarithm of e:

```js
function getLog10e() {
  return Math.LOG10E;
}

getLog10e(); // 0.4342944819032518

Specifications#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

  • {{jsxref("Math.exp()")}}
  • {{jsxref("Math.log()")}}
  • {{jsxref("Math.log10()")}}