Though it is not expressly said, as in the case of Gideon Judges 6:34, Othniel Judges 3:10, and others, that the Spirit of the Lord came upon him, yet the whole course of the narrative, especially 1 Samuel 14:13-16, indicates an extraordinary divine interposition.
Related Commentaries of 1 Samuel 14:10
1 Samuel 14:10
10 But if they say thus, Come up unto us; then we will go up: for the LORD hath delivered them into our hand: and this shall be a sign unto us.