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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } </style> </head> <body> <h3>如何访问 TABLE 元素的演示</h3> <table id="myTable"> <tr> <td>cell 1</td> <td>cell 2</td> </tr> <tr> <td>cell 3</td> <td>cell 4</td> </tr> </table> <p>单击按钮删除表格中的第一行。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.getElementById("myTable"); x.deleteRow(0); } </script> </body> </html>