W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } #myTABLE { width: 100%; } </style> </head> <body> <p>点击“试一试”按钮可返回 table-layout 属性的值。</p> <table id="myTABLE" style="table-layout:fixed;"> <tr> <td>1000000000000000000000000000</td> <td>10000000</td> </tr> <tr> <td>Bill</td> <td>Gates</td> </tr> <tr> <td>Steve</td> <td>Jobs</td> </tr> </table> <br> <button type="button" onclick="myFunction()">返回表格布局</button> <script> function myFunction() { alert(document.getElementById("myTABLE").style.tableLayout); } </script> </body> </html>