Commentaries
8:23-29 God, the righteous Judge, had sentenced the Canaanites for their wickedness; the Israelites only executed his doom. None of their conduct can be drawn into an example for others. Especial reason no doubt there was for this severity to the king of Ai; it is likely he had been notoriously wicked and vile, and a blasphemer of the God of Israel.
26. Joshua drew not his hand back—Perhaps, from the long continuance of the posture, it might have been a means appointed by God, to animate the people, and kept up in the same devout spirit as Moses had shown, in lifting up his hands, until the work of slaughter had been completed—the ban executed. (See on [183]Ex 17:10).