const sortDesc = arr => [...arr].sort((a, b) => a - b).reverse();
Returns a new array sorted by ascending (Numbers).
Array contains something else than
const sortDesc = arr => [...arr].sort((a, b) => b - a);
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.
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Photo by zoo_monkey on Unsplash