


How to solve the problem that the body part disappears after exceeding the header in the automatic scrolling effect of the table?
Apr 05, 2025 am 10:03 AMAutomatic table scrolling: Solve the problem of content overflowing the header
When creating automatic scrolling effects of tables, you often encounter a difficult problem: the main content of the table is scrolled beyond the header and disappears, affecting the visual effect and user experience. This article will analyze the root cause of the problem and provide a CSS solution.
Problem: Content overflows the header
When using animation to automatically scroll the table, the tbody may scroll beyond the header before disappearing, as shown in the figure below:
(Illustration: The table rows are still visible after exceeding the header when scrolling)
Here is a sample code:
serial number | Steel level | Specification | area | Library position number |
---|---|---|---|---|
1 | 1000 | twenty two | A | 121 |
/*Table scroll animation*/ @keyframes table { 0% { transform: translateY(0); } 100% { transform: translateY(-100%); } } .table tbody { animation: table 10s infinite linear; }
Analyze the root cause of the problem
The problem is that the animation of the tbody
element causes its content to exceed the visible area of ??the table container. overflow: hidden
property of tbody
is invalid because it only acts on tbody
own content, not the entire table.
Solution: CSS Style Adjustment
To prevent tbody
content from overflowing the table header, we need to adjust the CSS styles of .table
and .table thead
:
/*Table scroll animation*/ @keyframes table { 0% { transform: translateY(0); } 100% { transform: translateY(-100%); } } .table { overflow: hidden; /* Hide content beyond the table container*/ } .table thead { position: relative; /* Use relative positioning*/ z-index: 1; /* Improve the level and cover tbody */ background-color: #fff; /* Make sure the table header background color covers the scrolling content*/ } .table tbody { animation: table 10s infinite linear; }
By applying overflow: hidden
to .table
we ensure that all content beyond the table container is hidden. Meanwhile, set .table thead
to relative positioning and increase z-index
value so that it always lies above tbody
, effectively covering the overflowing content. Adding background-color
ensures that the background color of the table header covers the scrolling content to avoid gaps. This solves the problem that the table content overflows the header, and achieves a clean and tidy automatic scrolling effect.
The above is the detailed content of How to solve the problem that the body part disappears after exceeding the header in the automatic scrolling effect of the table?. For more information, please follow other related articles on the PHP Chinese website!

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