See holes in the array?

Perform simple code
After running the Count to 100, and the array always has 100 elements assigned to the property, but almost always in the array at random places there are holes - element undefined. from 0 to 4 holes. That is, in the end, the length of the array 100-104 element that must be always 100
Why is this happening?
July 8th 19 at 15:57
2 answers
July 8th 19 at 15:59
Mode of psychic:
Most likely in obj_percent there are objects without avatar.
Try in a loop to make a console.log(key)
July 8th 19 at 16:01
The complete code is shown, no errors in the variable names at least

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