Articles tagged: Map

Found 16 documents

• Web/JavaScript/Guide/Keyed_collections This chapter introduces collections of data which are ordered by a key; Map and Set objects ...
• Web/JavaScript/Reference/Global_Objects/Map The Map object is a simple key/value map. Any value (both objects and primitive values) may be ...
• Web/JavaScript/Reference/Global_Objects/Map/@@iterator The initial value of the @@iterator property is the same function object as the initial value of ...
• Web/JavaScript/Reference/Global_Objects/Map/@@species The Map[@@species] accessor property returns the Map constructor.
• Web/JavaScript/Reference/Global_Objects/Map/@@toStringTag The Map[@@toStringTag] property has an initial value of "Map".
• Web/JavaScript/Reference/Global_Objects/Map/clear The clear() method removes all elements from a Map object.
• Web/JavaScript/Reference/Global_Objects/Map/delete The delete() method removes the specified element from a Map object.
• Web/JavaScript/Reference/Global_Objects/Map/entries The entries() method returns a new Iterator object that contains the [key, value] pairs for each ...
• Web/JavaScript/Reference/Global_Objects/Map/forEach The forEach() method executes a provided function once per each key/value pair in the Map ...
• Web/JavaScript/Reference/Global_Objects/Map/get The get() method returns a specified element from a Map object.
• Web/JavaScript/Reference/Global_Objects/Map/has The has() method returns a boolean indicating whether an element with the specified key exists ...
• Web/JavaScript/Reference/Global_Objects/Map/keys The keys() method returns a new Iterator object that contains the keys for each element in the ...
• Web/JavaScript/Reference/Global_Objects/Map/prototype The Map.prototype property represents the prototype for the Map constructor.
• Web/JavaScript/Reference/Global_Objects/Map/set The set() method adds or updates an element with a specified key and value to a Map object.
• Web/JavaScript/Reference/Global_Objects/Map/size The size accessor property returns the number of elements in a Map object.
• Web/JavaScript/Reference/Global_Objects/Map/values The values() method returns a new Iterator object that contains the values for each element in ...