W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } </style> </head> <body> <table id="myTable"> <tr> <td>行 1</td> <td><input type="button" value="Delete" onclick="deleteRow(this)"></td> </tr> <tr> <td>行 2</td> <td><input type="button" value="Delete" onclick="deleteRow(this)"></td> </tr> <tr> <td>行 3</td> <td><input type="button" value="Delete" onclick="deleteRow(this)"></td> </tr> </table> <script> function deleteRow(r) { var i = r.parentNode.parentNode.rowIndex; document.getElementById("myTable").deleteRow(i); } </script> </body> </html>