Returns an iterable of index, value pairs for every element in the typed array.
entries()
An interable of [index, value] pairs, where each pair is an array
where the 0 element is the index, 1 element is the value.
for (let [index, value] of new Int16Array([4, 8, 15]).entries()) {
print(index, value)
}
0 4
1 8
2 15