防抖 vue

 import _ from 'lodash'

queryChange: _.debounce(function (val) { // 请选择所属门店
      if (val.length === 0) {
        this.$nextTick(() => {
          this.options3 = []
          this.$refs.shopSelect.reset()
        })
      } else {
        this.loading = true
        this.getShopList(val)
      }
    }, 500),