vue 调用 校验空值、null、undefined、[] v-if 标签内

校验空值、null、undefined、[]

/**
 * @description: 校验空值、null、undefined、[]
 * @param {*} val
 * @return {*}
 */
export function verification(val) {
  let valString = val + ""
  let verificationType = ["", "null", "undefined"]
  return verificationType.includes(valString)
}

vue 调用

属性判断：v-if="!verifications(val)"

标签判断：<diV>{{verifications(val)}}</div>


import { verification } from "@/utils/methods";

methods:
// 检验
verifications(key) {
  return verification(key)
}

方法内判断调用：verification(val)