改变表格边框的宽度
- <!DOCTYPE html>
- <html>
- <head>
- <script>
- function changeBorder(id) {
- document.getElementById(id).style.border = "5px solid";
- }
- </script>
- </head>
- <body>
- <table style="border:1px solid black" id="myTable">
- <tr>
- <td>100</td>
- <td>200</td>
- </tr>
- <tr>
- <td>300</td>
- <td>400</td>
- </tr>
- </table>
- <p>
- <input type="button" onclick="changeBorder('myTable')" value="更改边框">
- </p>
- </body>
- </html>