css计时器 animation实现计时器延时器

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css计时器 animation实现计时器延时器

缺点当切页面导航会休眠不执行

vue框架

<template><div class="box"><!-- 使用v-bind动态添加样式 --><div class="move" :style="{ animationDelay: '5s' }" @animationend="onDelayEnd"@webkitAnimationEnd="onDelayEnd"><div class="no"></div><div class="off"></div></div><div class="box"><div class="move2"@animationiteration="onIntervalIteration"@webkitAnimationIteration="onIntervalIteration"><div class="no"></div><div class="off"></div></div></div></div>
</template><script>
export default {data() {return {delayCount: 0,intervalCount: 0,};},methods: {onDelayEnd() {console.log('延时器 setTimeout');// 在此处可以添加延时器结束后的处理逻辑},onIntervalIteration() {this.intervalCount++;console.log('计时器 setInterval ' + this.intervalCount);// 在此处可以添加计时器每次迭代时的处理逻辑},},
};
</script><style scoped>
.box {width: 50px;height: 50px;margin: 0 auto;border: 2px solid #ccc;overflow: hidden;
}.move,
.move2 {position: relative;width: 100px;height: 50px;display: flex;justify-content: flex-start;
}.move {animation-name: move;animation-duration: 0;animation-fill-mode: forwards;
}.move2 {animation-name: move2;animation-duration: 1s;animation-iteration-count: infinite;
}.no,
.off {width: 50%;height: 50px;
}.no {background: gold;
}.off {background: black;
}@keyframes move {from {left: 0;}to {left: -50px;}
}@keyframes move2 {from {left: 0;}to {left: -50px;}
}
</style>

style="animation-delay: 5s" 写到行内是因为可以动态添加

原生js

<!DOCTYPE html>
<html><head><meta charset="utf-8"><title></title><style type="text/css">.box {width: 50px;height: 50px;margin: 0 auto;border: 2px solid #ccc;overflow: hidden;}.move2,.move {position: relative;width: 100px;height: 50px;display: flex;justify-content: flex-start;}.move {animation-name: move;animation-duration: 0;animation-fill-mode: forwards;}.move2 {animation-name: move2;animation-duration: 1s;animation-iteration-count: infinite;}.off,.no {width: 50%;height: 50px;}.no {background: gold;}.off {background: black;}@keyframes move {from {left: 0}to {left: -50px}}@keyframes move2 {from {left: 0}to {left: -50px}}</style></head><body><div class="box">
<!--  style="animation-delay: 5s" 写到行内是因为可以动态添加 --><div class="move" style="animation-delay: 5s"><div class="no"></div><div class="off"></div></div></div><div class="box"><div class="move2"><div class="no"></div><div class="off"></div></div></div></body><script type="text/javascript">document.getElementsByClassName('move')[0].addEventListener('animationend', function() {console.log('延时器 setTimeout')});let count = 0// let timer = setInterval(() => {// 	console.log(++count)// }, 1000)document.getElementsByClassName('move2')[0].addEventListener('animationiteration', function() {console.log('计时器 setInterval '+ ++count)// clearInterval(timer)// count = 0// timer = setInterval(() => {// 	console.log(++count)// }, 1000)});</script>
</html>

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