To Ai, i.e. the city and people of Ai. As thou didst unto Jericho and her king, i.e. overcome and destroy them. This was enjoined, partly to chastise their last insolence, and the triumphs and blasphemies which doubtless their success produced; and partly to revive the dread and terror which had been impressed upon the Canaanites by Jericho's ruin, and had been much abated by the late success of Ai, and their confidence and expectation of further and greater success much raised.
Related Commentaries of Joshua 8:2
Joshua 8:2
2 And thou shalt do to Ai and her king as thou didst unto Jericho and her king: only the spoil thereof, and the cattle thereof, shall ye take for a prey unto yourselves: lay thee an ambush for the city behind it.