```
const closestNumber = (arr, number) => arr.reduce((acc, current) => (Math.abs(current - number) < Math.abs(acc - number) ? current : acc) );
```

Returns the numerical item closest to the given number.

## The repository & npm package

You can find the all the utility functions from this series at github.com/martinkr/onelinecode

The library is also published to npm as @onelinecode for your convenience.

The code and the npm package will be updated every time I publish a new article.

Follow me on Twitter: @martinkr and consider to buy me a coffee

Photo by zoo_monkey on Unsplash

## Top comments (3)

I'm liking this series, but your code samples need some syntax highlighting. Add "javascript" after the opening backticks

Thank you for you suggestion.

I'm wondering how I could forget about this!? I'll update the articles.

The code feels awfully inefficient on a first read