No. The length property of an array returns the index of the last value, plus one. Objects are the associative arrays, but they do not have a length. Arrays ar

No. The length property of an array returns the index of the last value, plus one. Objects are the associative arrays, but they do not have a length. Arrays are numerically indexed, but if a keystring is a base-10 integer, it will get interpreted as an index. If not, the corresponding property of the array object will be returned instead.