Wildwood’s Board of Commissioners Wednesday approved an ordinance amendment banning backpacks and other bags larger than 8 inches from the beaches and Boardwalk after 8 p.m., a move officials say was prompted by rowdy teens who disrupted Memorial Day weekend. According to the Press of Atlantic City, the city’s attorney said the ban would go into effect immediately and would not require a second vote, which is when there is normally a public hearing. The public had a chance to comment at the Wednesday meeting, but there were no takers.