How to Add Scrollbars to an HTML5 Table?

How to Add Scrollability to HTML5 Tables

To add a scrollbar to a table with only a limited number of displayed rows, follow these steps:

1. Define the Table Structure:

Create a basic HTML5 table with the necessary columns and rows. For instance:

<table>

2. Set the Table CSS:

To style the table, use CSS to specify its dimensions, colors, and alignment. For example:

#my_table {
    border-radius: 20px;
    background-color: transparent;
    color: black;
    width: 500px;
    text-align: center;
}

3. Create a Scrollbar:

To add the scrollbar, focus on the tbody of the table. This section should be configured as follows:

tbody {
    overflow: auto;
    height: 150px;
}

• overflow: auto enables scrolling when the table content exceeds its height.
• height: 150px sets the visible height of the table to 150 pixels, ensuring that only a few rows are displayed at a time.

4. Maintain Column Alignment:

If your table has a header row, you'll need to ensure that it remains aligned with the main body as you scroll. This can be achieved by wrapping both elements in a tableSection class and applying the following CSS:

table.tableSection {
    display: table;
    width: 100%;
}
table.tableSection thead, table.tableSection tbody {
    float: left;
    width: 100%;
}

5. Adjust Column Widths (Optional):

To ensure that all table columns have the same width, regardless of their content, you can include the following CSS:

table.tableSection tr {
    width: 100%;
    display: table;
    text-align: left;
}
table.tableSection th, table.tableSection td {
    width: 33%;
}

6. Remove Scrollbars from Header (Optional):

If you don't want the header to be scrollable, add the following CSS rule:

table.tableSection thead {
    overflow: hidden;
}

7. Handle Presence of Scrollbar (Optional):

To dynamically adjust your CSS based on the presence of a scrollbar, consider using JavaScript to detect its existence and apply the necessary styles.

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