--- title: randomString tags: math,random,beginner --- Returns a random string of the specified length. - `Math.random()` generate a random number - `ToString(16)` converts the number into a text string - Finally, the `substr(2,8)` extracts chracters between the positions 2 and supplied length. ```js const randomString = (length) => Math.random().toString(20).substr(2, length) ``` ```js randomString(5); // '0afad' ```