parent
RUN
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <style> .active { background: red; height: 30px; color: #fff; } </style> <script src="https://code.jquery.com/jquery-2.0.0.js"></script> </head> <body> <div>Không có chứa class</div> <div> <p class="delete">Có class delete</p> </div> <script> $("div p.delete:parent").addClass("active"); </script> </body> </html>
PHÓNG TO