Vue中在组件销毁时清除定时器(setInterval)
在mounted中创建并执行定时器,然后在beforeDestroy或者destroyed中清除定时器
<template> <div class="about">
</div>
</template>
<script>
export default {
name: "about",
data() {
return {
//接收定时器
timer: ""
};
},
mounted() {
let _this = this;
let num = 0;
//创建并执行定时器
this.timer = setInterval(() => {
//当num等于100时清除定时器
if (num == 100) {
clearInterval(_this.timer);
}
console.log(num++);
}, 1000);
},
beforeDestroy() {
//清除定时器
clearInterval(this.timer);
console.log("beforeDestroy");
},
destroyed() {
//清除定时器
//clearInterval(this.timer);
console.log("destroyed");
}
};
</script>
<style scoped>
</style>
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