小旋风SEO教程 TIY
编辑您的代码：
<!DOCTYPE html><html><head><style>.highlight{background-color: yellow}</style><script type="text/javascript" src="/w3c/jquery/jquery.js"></script><link rel="canonical" href="https://www.xxfseo.com/w3c/tiy/t.asp-f=jquery_traversing_last.html" /></head><body><p><span>Look:</span><span>This is some text in a paragraph.</span><span>This is a note about it.</span></p><script>$("p span").last().addClass('highlight');</script></body></html>
查看结果: