vhook

useInterval

对 setInterval 的简单封装

TIP

在组件 mounted 时设置定时器，并在组件 unmounted 时清除定时器

API

const [clear, start] = useInterval(fn, delay, immediate)

Params

参数名描述类型默认值
fn定时器回调Function
delay延时时间number
immediate是否立即执行回调在开启定时器booleanfalse

Result

参数名描述类型
clear用于清除定时器() => void
start用于启动定时器() => void

Example

Code

<template>
  <p>{{count}}</p>
  <button @click="clear">stop</button>
  <button @click="start">restart</button>
</template>

<script>
  import { useInterval } from 'vhook'
  import { ref } from 'vue'
  export default {
    setup () {
      const count = ref(0)
      const [clear, start] = useInterval(() => {
        count.value++
      }, 1000)
      return {
        count,
        clear,
        start
      }
    }
  }
</script>