Creating an advanced table/grid with a variable number of columns, dynamic widths, and handling overflows can be achieved using a combination of HTML, CSS, and possibly JavaScript. Below, I'll provide a step-by-step guide to create such a table/grid.

HTML Structure:

<div class="table-wrapper"> <table> <thead> <tr> <!-- Table Header with variable column names --> <th>Column 1</th> <th>Column 2</th> <!-- Add more <th> elements as needed for additional columns --> </tr> </thead> <tbody> <!-- Table Rows with data --> <tr> <td>Row 1 Data 1</td> <td>Row 1 Data 2</td> <!-- Add more <td> elements as needed for additional columns --> </tr> <tr> <td>Row 2 Data 1</td> <td>Row 2 Data 2</td> <!-- Add more <td> elements as needed for additional columns --> </tr> <!-- Add more <tr> elements for additional rows --> </tbody> </table> </div>

CSS Styling:

/* CSS to style the table/grid */ .table-wrapper { overflow-x: auto; /* Enable horizontal scrolling for overflowed content */ } table { width: 100%; border-collapse: collapse; } th, td { padding: 8px 12px; border: 1px solid #ccc; white-space: nowrap; /* Prevent text wrapping */ overflow: hidden; /* Hide overflowed content */ text-overflow: ellipsis; /* Show "..." for overflowed content */ } /* Adjust column widths dynamically based on the number of columns */ th { width: calc(100% / var(--num-columns)); /* Set equal width for each column */ } /* Adjust column widths for specific columns */ th:nth-child(1), td:nth-child(1) { width: 30%; /* Set custom width for the first column */ } /* Add more nth-child rules for additional columns */

JavaScript (Optional):

If the number of columns is dynamic and determined by data, you can use JavaScript to set the --num-columns custom property in the CSS. This will help adjust the column widths automatically.

// JavaScript to set the --num-columns custom property based on the actual number of columns const table = document.querySelector('table'); const numColumns = table.querySelector('tr').childElementCount;'--num-columns', numColumns);

By combining the HTML, CSS, and JavaScript (if necessary) as shown above, you can create an advanced table/grid that adapts to the number of columns, has dynamic column widths, and handles overflows with ellipsis when the content doesn't fit in the cells. The table-wrapper will provide horizontal scrolling when the table content overflows the available width.

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