html

<div id="shake" class="shape">horizontal shake</div>

js（vue3）

  function shake(elemId) {const elem = document.getElementById(elemId)console.log('获取el', elem)if (elem) {elem.classList.add('shake')setTimeout(() => {elem.classList.remove('shake')}, 800)}}onMounted(() => {setTimeout(() => {console.log('进来settimeout')shake('shake')}, 5000)})

css

  .shape {margin: 50px;width: 200px;height: 50px;line-height: 50px;text-align: center;border: 1px solid black;}.shake {animation: shake 800ms ease-in-out;}@keyframes shake {/* 水平抖动，核心代码 */10%,90% {transform: translate3d(-1px, 0, 0);}20%,80% {transform: translate3d(+2px, 0, 0);}30%,70% {transform: translate3d(-4px, 0, 0);}40%,60% {transform: translate3d(+4px, 0, 0);}50% {transform: translate3d(-4px, 0, 0);}}

参考链接：https://juejin.cn/post/6957517187049324552