JavaScript Maps

JavaScript Maps , Map Methods, Method Description, new Map(), Creates a new Map object, set(), Sets the value for a key in a Map, get(), Gets the value for a key in a Map, clear(), Removes all the elements from a Map, delete(), Removes a Map element specified by a key, has(), Returns true if a key exists in a Map, forEach(), Invokes a callback for each key/value pair in a Map, entries() ,Returns an iterator object with the [key, value] pairs in a Map, keys(), Returns an iterator object with the keys in a Map, values(), Returns an iterator object of the values in a Map,

Видео JavaScript Maps автора JavaScript и базы данных