W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <head> <script> function changeContent(id, row, cell, content) { var x = document.getElementById(id).rows[row].cells; x[cell].innerHTML = content; } </script> </head> <body> <table id="myTable" border="1"> <tr> <td>Row1 cell1</td> <td>Row1 cell2</td> </tr> <tr> <td>Row2 cell1</td> <td>Row2 cell2</td> </tr> <tr> <td>Row3 cell1</td> <td>Row3 cell2</td> </tr> </table> <p> <input type="button" onclick="changeContent('myTable', 0, 0, 'Hello')" value="更改内容"> </p> </body> </html>