Tap into the input iterator by supplying func which is passed each value of this iterator. The return value of func is unused and this method is purely designed for a designated place to perform side effects.
func
toArray(tap(map([1, 2, 3], n => n * 2), console.log)); // logs 2, 4, 6 to the console Copy
toArray(tap(map([1, 2, 3], n => n * 2), console.log)); // logs 2, 4, 6 to the console
Tap into the input iterator by supplying
funcwhich is passed each value of this iterator. The return value of func is unused and this method is purely designed for a designated place to perform side effects.