vuejs-challenges
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Published
20 hours ago •
webfansplz
webfansplz
10 - 生命周期钩子
// 你的答案
`
onMounted(() => { timer.value = window.setInterval(() => { count.value++ }, 1000) }) onBeforeUnmount(()=>{ timer.value && clearInterval(timer.value) })
Child Component: {{ count }}
