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How to solve the problem of fixed elements not being displayed on mobile terminals
How to solve the problem of fixed elements not being displayed on mobile terminals
This article introduces to you how to solve the problem of fixed elements not being displayed on the mobile terminal. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
I made a html5 nested page for the company app in the past few weeks. The page is not complicated and has a lot of display content. There is a footer at the bottom
The html structure is as follows
<style>
.main{
position: absolute;
top: 0;
bottom: 88px;
left: 0;
width: 100%;
overflow-y: auto;
}
footer{
position: fixed;
left: 0;
bottom: 0;
width: 100%;
}
<style>
<body>
<div class="main">
...
</div>
<footer></footer>
</body>content After debugging, I inserted some things about other projects. Later, the app development told me to monitor the page scroll and asked me not to use positioning layout. I see that there is no place on the page for input, and there will be no fixed elements running around. So the main part was changed to a normal layout, and then there was a bug:
Everything is normal on Android, but sometimes on IOS10 the footer does not display when entering the page, and it will only display after dragging or double-clicking (other versions of IOS tests said that it does It’s normal again)
The first idea when encountering this problem is to increase the z-index of the footer and set it to 1000, but the result is useless. Observe carefully that the content of the pages that are not displayed is very short and does not reach the footer position. I guess it is a problem with the height of the body. I added style debugging to the body
background: #fafafa; min-height: 100vh;
The background of the entire page has indeed turned gray, but the footer Still not displayed
After discussing with colleagues, I guessed that there was a hierarchical problem in mobile phone rendering. The footer was not rendered at the beginning. After clicking or touchmove, the page re-rendered the footer and it was normal.
It was almost online at that time. In order to solve the bug as soon as possible without any hassle, tanslateZ was set for the footer, which is equivalent to creating an independent level.
-webkit-transform: translateZ(1px) transform: translate(1px)
There is also a bullet layer set with z- on the page. The index and footer cannot be covered by the translate elastic layer, indicating that the tranzlateZ level is higher. It will be normal if the elastic layer is set to translateZ (2px)
This method is not very elegant, but the advantage is that it does not change the layout and is still applicable in emergencies
Recommended related articles:
Introduction to Holy Grail Layout and Double Flying Wing Layout in css (with code)
How to implement floating element line wrapping in cssThe above is the detailed content of How to solve the problem of fixed elements not being displayed on mobile terminals. For more information, please follow other related articles on the PHP Chinese website!
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