W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> table, th, td { border: 1px solid black; margin: 10px; } </style> </head> <body> <p>点击该按钮可获取表格标题的位置。</p> <button onclick="myFunction()">试一试</button> <table> <caption id="myCap" style="caption-side:bottom;">客户资料</caption> <tr> <th>公司</th> <th>联系人</th> <th>国家</th> </tr> <tr> <td>Alibaba</td> <td>Jack Ma</td> <td>China</td> </tr> <tr> <td>Microsoft</td> <td>Bill Gates</td> <td>American</td> </tr> <tr> <td>Porsche</td> <td>Oliver Blume</td> <td>Germany</td> </tr> </table> <script> function myFunction() { alert(document.getElementById("myCap").style.captionSide); } </script> </body> </html>