JavaScript React Basics (retired) Thinking in Components Decomposition and Loops Review

Ron Gootman
Ron Gootman
21,027 Points

array.filter

It's obvious that the answer was array.map, however, array.filter will return an array as well, so why can't that be a valid answer?

1 Answer

Steven Parker
Steven Parker
143,222 Points

With "filter", you can only return an array that is a subset of the original. But with "map", the array returned can be created by changing the original array, which is what is required by the question conditions.