100k list

100k list splice and shift win, they mutate list slice loose, it creates a copy of list 7.5x slower

100k list splice and shift win, they mutate list slice loose, it creates a copy of list 7.5x slower

Testing the difference between creating filled arrays.

Testing the difference between creating filled arrays.

Compare JavaScript deletion on object vs setting to undefined.

Compare JavaScript deletion on object vs setting to undefined.

Which is best for generating a unique key?