The reduce method accepts two arguments: a reducer function for the array that is used as a callback, and an optional initialValue argument. The reducer function takes four arguments: accumulator ...

Javascript reduce method parameters The reduce method accepts two arguments: a reducer function for the array that is used as a callback, and an optional initialValue argument.

Posted: July 9, 2025 | Last updated: July 10, 2025 Learn JavaScript's Array Reduce method in 100 seconds. Take many things and reduce them down to one thing.

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 ...