Charles Ellicott Commentary Judges 14:19

"And the Spirit of Jehovah came mightily upon him, and he went down to Ashkelon, and smote thirty men of them, and took their spoil, and gave the changes [of raiment] unto them that declared the riddle. And his anger was kindled, and he went up to his father`s house." — Judges 14:19 (ASV)

To Ashkelon. Probably he seized the opportunity of some great feast to Dagon, or even of another marriage festival, since the linen robes and rich garments would not be such as would be worn every day.

Took their spoil. The Hebrew word chalîsah is rendered “armour” in 2 Samuel 2:21 (Septuagint, panoplia), and the Targum on Judges 14:13 seems to understand “suits of armour.”

Gave ... unto them which expounded the riddle. They were unaware from where he had obtained the means to discharge his wager. The morality of the act can, of course, only be judged from the standpoint of the time.