Quiz: Functions and Scope
Test your understanding of Dart functions, optional parameters, recursion, higher-order methods, closures, and lexical scope.
We'll cover the following...
We'll cover the following...
Technical Quiz
1.
What is the fundamental difference between the map and forEach methods?
A.
map modifies the original list; forEach leaves the original list untouched.
B.
map captures returned values into a new list; forEach discards returned values.
C.
map only works on strings; forEach works exclusively on numerical data.
D.
map executes synchronously; forEach executes asynchronously in the background.
1 / 8
...