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