dhgamache/Tic-Tac-Toe-JS — comment on commit dfe71893976cd104bad4795e7c55da7771a369c4
File: tictactoe.js line 27
By marcusphillips:

This argument appears to be misnamed. The above code was passing in an event object, and here' you're calling it a cell. In the next line, you also access the currentTarget property, which demonstrates which one it is.