JavaScript Map() Constructor Property Last Updated : 01 Aug, 2023 Comments Improve Suggest changes Like Article Like Report The Javascript Map() Constructor property returns the constructor function of the map. It only returns the reference of the function and does not return the name of the function. In the JavaScript Map() constructor, it returns the function Map(){ [native code] }. Syntax: Map.constructorReturn value: Return the construction function of the Map. in the javascript Map(). i.e. function Map() { [native code] }. Example 1: In this example, the program returns the reference of the function. JavaScript let language = new Map([ [1, 'HTML'], [2, 'CSS'], [3, 'Javascript'], ]); console.log(language.constructor); Output: ƒ Map() { [native code] }Example 2: In this example, we are using an array of numbers, and the program returns the reference of the function (i.e. function Map() { [native code] } ). JavaScript const number = new Map([ [2, 4, 6, 8] ]); console.log(number.constructor); Output[Function: Map]We have a complete list of Javascript map() methods, to check those please go through this JavaScript Map Complete Reference article. Supported Browsers: ChromeEdgeFirefoxOperaSafari Comment More infoAdvertise with us Next Article JavaScript Map() Constructor Property V vishalkumar2204 Follow Improve Article Tags : JavaScript Web Technologies Similar Reads JavaScript Map constructor Property The map constructor property in JavaScript is used to return the map constructor function for the object. The function which is returned by this property is just the reference to this function, not a map containing the function's name. The JavaScript map constructor, string constructor, and boolean 1 min read JavaScript Map() Constructor The Map() constructor is used to create Map objects in JavaScript. The map is a data structure that stores elements as a key, value pair.Syntax:new Map()new Map(iterable)Parameters:iterable: An iterable object used for iterating through elements, stored as a key, value pair.Return value:A new Map ob 3 min read JavaScript Map.prototype[@@iterator]() Method Map[@@iterator]( ) method is used to make Map iterable. Map[@@iterator]( ) method returns iterator object which iterates over all code points of Map. Map[@@iterator]( ) is built-in property of Map. We can use this method by creating Map iterator. We can make Map iterator by calling the @@iterator pr 2 min read JavaScript Map entries() Method JavaScript Map.entries() method is used for returning an iterator object which contains all the [key, value] pairs of each element of the map. It returns the [key, value] pairs of all the elements of a map in the order of their insertion. The Map.entries() method does not require any argument to be 4 min read JavaScript Map Reference JavaScript Map is a collection of elements where each element is stored as a key, value pair. Map objects can hold both objects and primitive values as either key or value. When we iterate over the map object it returns the key, and value pair in the same order as inserted.You can create a JavaScrip 3 min read Like