What is the output of this program?
let sizes = [ "mini", "small", "medium"
sizes [4] = "large"; console.log(sizes);
(1 point)
[0, "mini", "small", "medium", "large"]
["mini", "small", "medium", undefined, "large"]
["mini", "small", "medium", "large"]
["mini", "small", "medium", 0, "large"]