I read documents, and I used keyframes`` for declare css animation. But I got error message like this:
Please wrap your string in the css`` helper which ensures the styles are injected correctly.
So, I wrapped animation with css`` instead keyframes``, but animation didn't work.
const rippleAnimation = css`
0% {
transform: translate(-50%, -50%) scale(1);
}
100% {
transform: translate(-50%, -50%) scale(var(--material-scale));
opacity: 0;
}
`;
This didn't work well.
I don't know I wrote perfectly...
ordinary code(error about keyframes):
const rippleAnimation = keyframes`
0% {
transform: translate(-50%, -50%) scale(1);
}
100% {
transform: translate(-50%, -50%) scale(var(--material-scale));
opacity: 0;
}
`;
You can do it like this. Create keyframes in CSS. And add the keyframes with js. You can also add this keyframe after clicking in js.
const hello = document.querySelector(".hello") hello.style.animation = "5s colorChange linear infinite"
.hello { color: #000000; } @keyframes colorChange { 0% { color: black; } 50% { color: red; } 100% { color: black; } }
<h1 class="hello">Hello World</h1>
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