4 ms·
It's just ASI (automatic semicolon insertion) and at the top-level {} declares a block not an object. You can also do like ({} + []) and it will actually be "a
by esrauch 6y ago
It's just ASI (automatic semicolon insertion) and at the top-level {} declares a block not an object.
You can also do like ({} + []) and it will actually be "adding" them; the confusion solely comes from people typing into the JS console something that wouldn't make any sense to put into an actual script.