How to Create a Scrollable HTML Table with Fixed Headers?
Dec 08, 2024 am 03:03 AM
How to Anchor Headers in a Scrollable HTML Table
Incorporating both fixed table headers and scrollable table bodies can be a common requirement in web applications. However, finding an effective solution can be challenging. This guide will explore the solution to this issue, guiding you through the implementation.
The Solution
To achieve this functionality, you can utilize a combination of CSS and JavaScript techniques. A popular solution is to employ a technique known as double-scrolling. This involves creating two nested tables: an outer table containing the fixed header and a scrollable inner table for the table body.
CSS Setup
First, define the CSS styling for the tables:
/* Outer table (fixed header) */
#outer-table {
width: 100%;
height: 100px; /* Set a fixed height for the header */
overflow: hidden;
}
/* Inner table (scrollable body) */
#inner-table {
height: calc(100% - 100px); /* Calculate the height based on the outer table's height */
overflow-y: scroll;
}
JavaScript Setup
Next, use JavaScript to adjust the inner table's height dynamically:
const outerTable = document.getElementById('outer-table');
const innerTable = document.getElementById('inner-table');
// Calculate the inner table's height based on the outer table's height
innerTable.style.height = `${outerTable.clientHeight - 100}px`;
Example
For a working example, refer to the following code sample:
<table>
This solution effectively freezes the table header while allowing the table body to scroll smoothly. By implementing these techniques, you can create responsive and interactive tables that meet your specific requirements.
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