/**
* @author yutent<yutent.io@gmail.com>
* @date 2020/09/16 12:07:09
*/
* [ 判断对象/数组是否为空]
* eg.
* Object.empty(obj/arr)
if (!Object.empty) {
Object.defineProperty(Object, 'empty', {
value: function(obj) {
try {
for (let i in obj) {
return false
}
} catch (e) {}
return true
},
enumerable: false
})