yudao-ui-admin-uniapp/src/interceptors/prototype.ts

export const prototypeInterceptor = {
  install() {
    // 解决低版本手机不识别 array.at() 导致运行报错的问题
    if (typeof Array.prototype.at !== 'function') {
      Array.prototype.at = function (index: number) {
        if (index < 0)
          return this[this.length + index]
        if (index >= this.length)
          return undefined
        return this[index]
      }
    }
  },
}