W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; margin: 15px; } </style> </head> <body> <p>点击按钮可“隐藏”或“显示”空表格单元格：</p> <button type="button" onclick="hide()">隐藏空单元格</button> <button type="button" onclick="show()">显示空单元格</button> <table id="myTable"> <tr> <td>一月</td> <td>$100</td> </tr> <tr> <td>二月</td> <td></td> </tr> </table> <script> function hide() { document.getElementById("myTable").style.emptyCells = "hide"; } function show() { document.getElementById("myTable").style.emptyCells = "show"; } </script> </body> </html>