点击运行
<!DOCTYPE html> <html> <head> <script type="text/javascript" src="/static/jquery/jquery.min.js"></script> </head> <body> <ul> <li>list item 1</li> <li>list item 2</li> <li>list item 3</li> <li>list item 4</li> <li>list item 5</li> </ul> <script> $('li').last().css('background-color', 'red'); </script> </body> </html>
运行结果
