/**
* @desc 判断是否为undefined
* @param {*} value
* @return {Boolean}
*/
function isUndefined(value) {
// return value === undefined;
return Object.prototype.toString.call(value).slice(8, -1) === "Undefined";
}
module.exports = isUndefined;
/**
* @desc 判断是否为undefined
* @param {*} value
* @return {Boolean}
*/
function isUndefined(value) {
// return value === undefined;
return Object.prototype.toString.call(value).slice(8, -1) === "Undefined";
}
module.exports = isUndefined;