源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> <style> table, th, td { border: 1px solid black; } </style> </head> <body> <p><b>注意:</b> dialog 标签仅支持 Chrome 37+, Safari 6+ 和 Opera 24+.</p> <table> <tr> <th>一月<dialog open>这是一个对话框</dialog></th> <th>二月</th> <th>三月</th> </tr> <tr> <td>31</td> <td>28</td> <td>31</td> </tr> </table> </body> </html>
运行结果