What output will appear in the browser when you run this script?

Consider the following code:

What output will appear in the browser when you run this script?

A.
“1, 2, 3, 4, 5, 6, 7, 8, 9”

B.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,

C.
1, 2, 3, 4, 5, 6, 7, 8, 9,

D.
“1, 2, 3, 4, 5, 6, 7, 8, 9, 10”

Explanation: