Javascript .filter(), .map() and .reduce() on real world examples - YouTube
map(), filter() and reduce() in JavaScript | by Nikhil K Mannem | codeburst
Comparing JS iteration methods (map, filter, forEach, reduce + loops) - DEV Community
map(), filter(), reduce() in javascript functions in an easy way
An Illustrated (and Musical) Guide to Map, Reduce, and Filter Array Methods | CSS-Tricks - CSS-Tricks
Joel Thoms on Twitter: "💡TIP: filter and then map will loop through the array twice. This may (or may not) have a performance impact. To loop through the list one time, you