mirror of
https://github.com/servo/servo.git
synced 2025-06-25 17:44:33 +01:00
45 lines
955 B
HTML
45 lines
955 B
HTML
<!DOCTYPE html>
|
|
<title>Scroll timeline with Web Animation using a scroller with overflow hidden</title>
|
|
<style>
|
|
#box {
|
|
width: 100px;
|
|
height: 100px;
|
|
background-color: green;
|
|
transform: translate(0, 100px);
|
|
opacity: 0.5;
|
|
will-change: transform; /* force compositing */
|
|
}
|
|
|
|
#covered {
|
|
width: 100px;
|
|
height: 100px;
|
|
background-color: red;
|
|
}
|
|
|
|
#scroller {
|
|
overflow: hidden;
|
|
height: 100px;
|
|
width: 100px;
|
|
will-change: transform; /* force compositing */
|
|
}
|
|
|
|
#contents {
|
|
height: 1000px;
|
|
width: 100%;
|
|
}
|
|
</style>
|
|
|
|
<div id="box"></div>
|
|
<div id="covered"></div>
|
|
<div id="scroller">
|
|
<div id="contents"></div>
|
|
</div>
|
|
|
|
<script>
|
|
window.addEventListener('load', function() {
|
|
// Move the scroller to halfway.
|
|
const scroller = document.getElementById("scroller");
|
|
const maxScroll = scroller.scrollHeight - scroller.clientHeight;
|
|
scroller.scrollTop = 0.5 * maxScroll;
|
|
});
|
|
</script>
|