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 ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

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 ...