Duplicate subscripts for columns

Explanation of Duplicate Subscripts for Columns

In HTML, you might encounter the issue of duplicate subscripts for columns when working with tables. This occurs when you mistakenly assign the same subscript value to multiple table columns.

Example:

Let’s consider a simple HTML table with three columns: Name, Age, and Country. Each column should have its unique subscript to differentiate them.

    <table>
      <tr>
        <th>Name</th>
        <th>Age</th>
        <th>Country</th>
      </tr>
      <tr>
        <td>John</td>
        <td>25</td>
        <td>USA</td>
      </tr>
      <tr>
        <td>Jane</td>
        <td>30</td>
        <td>Canada</td>
      </tr>
    </table>
  

Now, let’s assume you accidentally assign the same subscript value to columns ‘Age’ and ‘Country’ by mistake:

    <table>
      <tr>
        <th>Name</th>
        <th>Age</th>
        <th>Age</th> 
      </tr>
      <tr>
        <td>John</td>
        <td>25</td>
        <td>USA</td>
      </tr>
      <tr>
        <td>Jane</td>
        <td>30</td>
        <td>Canada</td>
      </tr>
    </table>
  

This is considered as duplicate subscripts for columns, and it can lead to unexpected behavior or rendering issues in the table.

To fix this issue, ensure each column has a unique subscript. In the example above, you could change the duplicate ‘Age’ subscript to ‘Country’ to correct it:

    <table>
      <tr>
        <th>Name</th>
        <th>Age</th>
        <th>Country</th> 
      </tr>
      <tr>
        <td>John</td>
        <td>25</td>
        <td>USA</td>
      </tr>
      <tr>
        <td>Jane</td>
        <td>30</td>
        <td>Canada</td>
      </tr>
    </table>
  

By ensuring that each column has a unique subscript, you can avoid any duplication issues and ensure the table renders correctly.