js-wrench/d.ts/modules/isUndefined.d.ts

JS函数库

/**
 * @description 是否 undefined
 *
 * @param {*} v 任意值
 * @return {*}  {boolean} 返回一个布尔值
 * @example isUndefined(null) => false
 */
declare const isUndefined: (v: any) => boolean;
export default isUndefined;