用JavaScript如何改变表格边框的宽度?

要更改表格边框的宽度,请使用DOM border属性。您可以尝试运行以下代码来更改JavaScript中表格边框的宽度-

示例

<!DOCTYPE html>
<html>
   <head>
      <script>
         function borderFunc(x) {
            document.getElementById(x).style.border = "5px dashed blue";
         }
      </script>
   </head>
 
   <body>
      <table style = "border:2px solid black" id = "newtable">
         <tr>
            <td>One</td>
            <td>Two</td>
         </tr>
         <tr>
            <td>Three</td>
            <td>Four</td>
         </tr>
         <tr>
            <td>Five</td>
            <td>Six</td>
         </tr>
      </table>
      <p>
         <input type = "button" onclick = "borderFunc('newtable')"
         value = "Change Border Width">
      </p>
   </body>
</html>
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