v-throttle

<template lang="pug">
.v-xxx
  h3 立即触发:{{num}}
  input(v-model="num")
  h3 节流后:{{num2}}
  input(v-throttle:2000="num2")
</template>
<script>
  export default {
    name: 'v-throttle',
    data() {
      return {
        num: '立即改变',
        num2: '节流值'
      }
    }
  }
</script>