I have a sidebar that is set to position:fixed; and overflow:auto;, causing the scrolling to occur within the fixed element.
When the sidebar is activated, the element remains static on the page without any movement.
My goal: I am looking to keep the .super-image-thumb fixed inside the scrolling element so that the thumbnails at the top remain fixed when scrolling occurs.
I have attempted a javascript solution but it still does not work as expected. Any suggestions?
It's a common issue that Fixed inside Fixed can be problematic. Instead of using 'top', let's try a different approach: bottom: http://jsfiddle.net/po29jx04/
function adjustPosition() {
$('.floating-div').css({
'bottom': $('.content-wrapper').scrollBottom()+'px'
});
}
$('.content-wrapper').scroll(adjustPosition);
adjustPosition();
Adding Javascript to the mix will only serve to complicate things.
The key here is CSS, specifically utilizing position: fixed or absolute, which is always relative to the first ancestor with position: relative.
I recommend removing the jQuery code and incorporating the following CSS:
.slide-content {
position:relative;
}
.super-image-thumb {
position:fixed;
background: #FFF;
top:0;
width:100%;
z-index: 2;
}
.main-image-container {
position:absolute;
top:85px;
z-index: 0;
}
You can view the implementation in this jsfiddle
It appears that using transitions and position: fixed simultaneously may not be fully supported in all browsers. Removing either of them resolves the issue. For potential solutions, you can refer to this resource on Stack Overflow.
I have created a code snippet without transitions and removed the JavaScript part as it seems unnecessary. Instead, I propose a CSS-only solution. While it is not completely finalized and requires some additional adjustments, the approach for addressing the problem should be clear.
.sliding-panel-content {
z-index: 1204;
}
.middle-content {
border-left: 1px solid #ddd;
border-right: 1px solid #ddd;
}
.middle-content {
position: fixed;
left: 8%;
top: auto;
width: 85%;
}
.sliding-panel-content {
overflow: auto;
top: 0;
bottom: 0;
height: 100%;
background-color: #fff;
-webkit-overflow-scrolling: touch;
}
.super-image-thumb {
position: fixed;
top: 10px;
}
.main-image-container {
margin-top: 100px; // should be same as thumb height
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="js-menu sliding-panel-content middle-content is-visible">
<span class="closeBtn sliding-panel-close"></span>
<div class="slide-content">
<div class="super-image-thumb">
<div id="product-gallery-super">
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=1">
</a>
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=2">
</a>
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=3">
</a>
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=4">
</a>
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=5">
</a>
<a href="#" class="product-gallery">
<img src="http://placehold.it/61x79?text=6">
</a>
</div>
</div>
<div class="main-image-container">
<img class="main-image" src="http://placehold.it/500x2045">
<button name="prev" id="super-prev">Prev</button>
<button name="next" id="super-next">Next</button>
</div>
</div>
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