MapInPlace

Misconception:

Calling map on an array modifies the elements of that array in place, overwriting the previous values with the results of the supplied callback function.

MapInPlace

Map modifies the elements of the array on which it operates in place

Map returns a new array populated with the results of the callback function

JavaScript

Programming Language

Notional Machine

About This Site Contributors

Follow us on twitter to hear about new misconceptions.