JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with arrays, but ...

Learn JavaScript's Array Reduce method in 100 seconds. Take many things and reduce them down to one thing... Trump just declared May 8 a national holiday. What’s open and closed? 11 Expensive ...

Learn JavaScript's Array Reduce method in 100 seconds. Take many things and reduce them down to one thing. Trump slaps tariffs on Mexico, Canada and China 25 of the most famous outfits in film history ...