W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <head> <style> table,th,td { border:1px solid black; } </style> </head> <body> <h3>��ʾ��η��� TH Ԫ��</h3> <table> <tr> <th id="myTh">����</th> </tr> <tr> <td>�Dz�˹</td> </tr> </table> <p>�����ť���ı� TH Ԫ�ص��ı���</p> <button onclick="myFunction()">������һ��</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myTh"); x.innerHTML = "�µı�ͷ"; } </script> </body> </html>