const cleanFalsy = arr => arr.filter(Boolean);
const cleanFalsy = arr => arr.filter(i=>i);
Returns a new array without all items which are considered to be "false" (0, '', Nan, false, undefined, null).
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