源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> </head> <body> <p>如果浏览器支持 bi-directional override (bdo)（双向重写）, 下面一行将从右向左显示(rtl):</p> <bdo dir="rtl">这行内容将从右向左显示</bdo> </body> </html>
运行结果