点击运行
<!DOCTYPE html> <html> <head> <script type="text/javascript" src="/static/jquery/jquery.min.js"></script> </head> <body> <div><p>Hello</p></div> <div class="selected"><p>Hello Again</p></div> <script> $("p").parent(".selected").css("background", "yellow"); </script> </body> </html>
运行结果
