22 lines
468 B
Markdown
22 lines
468 B
Markdown
---
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title: Logarithm in specific base
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tags: math
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expertise: beginner
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cover: blog_images/yellow-white-mug-2.jpg
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firstSeen: 2020-10-07T19:14:30+03:00
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lastUpdated: 2020-10-22T20:23:47+03:00
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---
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Calculates the logarithm of the given number in the given base.
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- Use `Math.log()` to get the logarithm from the value and the base and divide them.
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```js
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const logBase = (n, base) => Math.log(n) / Math.log(base);
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```
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```js
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logBase(10, 10); // 1
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logBase(100, 10); // 2
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```
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