W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } </style> </head> <body> <p>单击按钮可为表创建和删除行。</p> <table id="myTable"> <tr> <td>行1 单元格1</td> <td>行1 单元格2</td> </tr> <tr> <td>行2 单元格1</td> <td>行2 单元格2</td> </tr> <tr> <td>行3 单元格1</td> <td>行3 单元格2</td> </tr> </table> <br> <button onclick="myCreateFunction()">创建行</button> <button onclick="myDeleteFunction()">删除行</button> <script> function myCreateFunction() { var table = document.getElementById("myTable"); var row = table.insertRow(0); var cell1 = row.insertCell(0); var cell2 = row.insertCell(1); cell1.innerHTML = "新单元格1"; cell2.innerHTML = "新单元格2"; } function myDeleteFunction() { document.getElementById("myTable").deleteRow(0); } </script> </body> </html>