简单教程
提交运行
代码编辑器:
<style> table, td { border: 1px solid black; } </style> <p>点击按钮修改第一个单元格的内容</p> <table id="myTable"> <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> <br> <button onclick="myFunction()">点我</button> <script> function myFunction() { var x = document.getElementById("myTable").rows[0].cells; x[0].innerHTML = "NEW CONTENT"; } </script>
运行结果: