Skipping "return" keyword in annonymous functions
Category:
[1,2,3,4].map((n) => {return n*2});
=> [ 2, 4, 6, 8 ]
[1,2,3,4].map((n) => {n*2});
=> [ undefined, undefined, undefined, undefined ]
[1,2,3,4].map((n) => n*2);
=> [ 2, 4, 6, 8 ]
[1,2,3,4].map(n => n*2);
=> [ 2, 4, 6, 8 ]