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源代码:
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>小鸟启蒙(facesoho.com)</title> <script> function displayResult(){ var x=document.getElementById("myTable"); var th=x.getElementsByTagName("th"); for (var i=0;i<th.length;i++){ alert ("The " + (i+1) + ". column axis is:" + th[i].axis); } } </script> </head> <body> <table border="1" id="myTable"> <tr> <th axis="car">名称</th> <th axis="country">国家</th> </tr> <tr> <td>BMW</td> <td>Germany</td> </tr> <tr> <td>Volvo</td> <td>Sweden</td> </tr> <tr> <td>Saab</td> <td>Sweden</td> </tr> </table> <br> <button type="button" onclick="displayResult()">获取Axis</button> </body> </html>
运行结果