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snippets/random-integer-in-range.md

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+---
+title: Random integer in range
+tags: math,random
+cover: painters-desk
+firstSeen: 2017-12-17T17:55:51+02:00
+lastUpdated: 2020-10-22T20:24:04+03:00
+---
+
+Generates a random integer in the specified range.
+
+- Use `Math.random()` to generate a random number and map it to the desired range.
+- Use `Math.floor()` to make it an integer.
+
+```js
+const randomIntegerInRange = (min, max) =>
+  Math.floor(Math.random() * (max - min + 1)) + min;
+```
+
+```js
+randomIntegerInRange(0, 5); // 2
+```