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HTML
<h1 split-by="letter" letter-animation="breath">
animated letters
</h1>
CSS
@keyframes breath {
from {
animation-timing-function: ease-out;
}
to {
transform: scale(1.25) translateY(-5px) perspective(1px);
text-shadow: 0 0 40px var(--glow-color);
animation-timing-function: ease-in-out;
}
}
@media (prefers-reduced-motion:no-preference) {
[letter-animation] > span {
display: inline-block;
white-space: break-spaces;
}
[letter-animation=breath] {
--glow-color: white;
}
[letter-animation=breath]>span {
animation: breath 1.2s ease calc(var(--index) * 100 * 1ms) infinite alternate;
}
}
@media (prefers-reduced-motion:no-preference) and (prefers-color-scheme: light) {
[letter-animation=breath] {
--glow-color: black;
}
}
JS
const span = (text, index) => {
const node = document.createElement('span')
node.textContent = text
node.style.setProperty('--index', index)
return node
}
const byLetter = text =>
[...text].map(span)
const {matches:motionOK} = window.matchMedia(
'(prefers-reduced-motion: no-preference)'
)
if (motionOK) {
const splitTargets = document.querySelectorAll('[split-by]')
splitTargets.forEach(node => {
let nodes = byLetter(node.innerText)
if (nodes)
node.firstChild.replaceWith(...nodes)
})
}
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2023-06-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-06-16 UTC."],[],[]]