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snippets/js/s/log-base.md

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+---
+title: Logarithm in specific base
+type: snippet
+language: javascript
+tags: [math]
+cover: yellow-white-mug-2
+dateModified: 2020-10-22T20:23:47+03:00
+---
+
+Calculates the logarithm of the given number in the given base.
+
+- Use `Math.log()` to get the logarithm from the value and the base and divide them.
+
+```js
+const logBase = (n, base) => Math.log(n) / Math.log(base);
+```
+
+```js
+logBase(10, 10); // 1
+logBase(100, 10); // 2
+```