Using JavaScript's Filter and Map Methods | StoutLabs Blog
map(), .reduce(), and .filter() for your next interview
Javascript Array Methods: Map, Some, Filter, Sort | Eren Akbulut's Blog
Map/Filter/Reduce Crash Course - DEV Community
Map | Filter | Reduce – Javascript | Lambda3
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