94 lines
1.8 KiB
HTML
94 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<title>View transitions of different elements and shapes</title>
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<link rel="help" href="https://github.com/vmpstr/view-transitions">
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<link rel="author" href="mailto:vmpstr@chromium.org">
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<style>
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body {
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background: lightpink;
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overflow: hidden;
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}
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input {
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position: absolute;
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left: 8px;
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top: 8px;
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z-index: 10;
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}
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.top {
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top: 0px;
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background: green;
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}
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.bottom {
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bottom: 0px;
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background: blue;
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}
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div {
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position: absolute;
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left: 0px;
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right: 0px;
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height: 40vh;
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contain: paint;
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}
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</style>
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<input id=toggle type=button value="Toggle!"></input>
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<div id=target class=top>
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The div should alternate being at the bottom and at the top.
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The color at the top is green and bottom is blue.
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During the animation, the div has an (x, y) offset and its
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content is a blend of green and blue. There is also a grey
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background with a slight offset from the top.
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</div>
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<script>
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let classes = ["top", "bottom"]
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let i = 0;
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let transitionStyle =
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`html::view-transition {
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top: 50px;
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}
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html::view-transition-group(root) {
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background-color: grey;
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}
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html::view-transition-group(target) {
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left: 50px;
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}
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html::view-transition-old(target) {
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opacity: 0.5;
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animation-name: none;
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}
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html::view-transition-new(target) {
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opacity: 0.5;
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}
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`
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let pseudoStyle = document.createElement('style');
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pseudoStyle.appendChild(document.createTextNode(transitionStyle));
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async function runAnimation() {
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target.style.viewTransitionName = "target";
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let t = document.startViewTransition(() => {
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target.classList.remove(classes[i]);
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i = (i + 1) % classes.length;
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target.classList.add(classes[i]);
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document.head.appendChild(pseudoStyle);
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});
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await t.finished;
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document.head.removeChild(pseudoStyle)
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}
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function init() {
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toggle.addEventListener("click", runAnimation);
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}
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onload = init;
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</script>
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