ElementUI倒计时弹出框

import { Message } from 'element-ui'
//倒计时函数
var a = null
function coutTime(index) {
  setTimeout(function () {
    if (index == -1) {
      //index s结束后的操作
    } else {
      a.message = `修改密码成功，${index}s后将自动退出`
      coutTime(--index)
    }
  }, 1000)
}
export function hint(index) {
  a = Message({
    showClose: false,
    message: `修改密码成功，${index}s后将自动退出`,
    type: 'error',
    duration: `${index}000`,
  })
  index--
  coutTime(index)
}

import { hint } from '../hint.js'
hint(3)