https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Map
Map - JavaScript | MDN - MDN Web DocsKey Types: A Map's keys can be any value (including functions, objects, or any primitive). The keys of an Object must be either a String or a Symbol. Key Order: The keys in Map are ordered in a simple, straightforward way: A Map object iterates entries, keys, and values in the order of entry insertion.
https://developers.google.com › maps › documentation › javascript › maptypes
Map Types | Maps JavaScript API | Google for DevelopersThe following map types are available in the Maps JavaScript API: roadmap displays the default road map view. This is the default map type. satellite displays Google Earth satellite images....
Array.prototype.map () Baseline Widely available. La méthode map() crée un nouveau tableau avec les résultats de l'appel d'une fonction fournie sur chaque élément du tableau appelant. Exemple interactif. Syntaxe. js. var nouveauTableau = arr.map(callback [, thisArg]) Paramètres. callback.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Map
Map - JavaScript | MDN - MDN Web DocsMap. Baseline Widely available. Un objet Map contient des paires de clé-valeur et mémorise l'ordre dans lequel les clés ont été insérées. N'importe quel type de valeur (primitive ou objet) peut être utilisée comme clé ou comme valeur.
https://www.w3schools.com › js › js_maps.asp
JavaScript Maps - W3SchoolsJavaScript Maps. A Map holds key-value pairs where the keys can be any datatype. A Map remembers the original insertion order of the keys.
https://www.w3schools.com › jsref › jsref_map.asp
JavaScript Array map() Method - W3Schoolsmap() creates a new array from calling a function for every array element. map() does not execute the function for empty elements. map() does not change the original array.
https://www.javascripttutorial.net › javascript-map
The Essential Guide to JavaScript Map: How To Use Maps EffectivelyThis tutorial introduces you to the JavaScript Map object and shows you how to manipulate maps effectively.
https://www.devoreur2code.com › fr › blog › javascript-map-data-structure
Structure de données Map en JavaScript : Guide completEn JavaScript, Map est une collection de paires clé-valeur où chaque clé et chaque valeur peuvent être de n'importe quel type de données. Contrairement aux objets, les Maps préservent l'ordre d'insertion des éléments, offrant ainsi une manière ordonnée de stocker et d'accéder à des informations.
https://www.javascriptcheatsheet.org › cheatsheet › map
Javascript Map Object - Javascript CheatsheetJavascript Map Object. A Map is a built in object that holds key-value pairs. It can hold a key of any data type unlike in plain objects. It maintains the insertion order and provides helpers to manage key-value pairs. Creates an empty Map instance. You can initialize a Map with an array of key-value pairs.
https://javascript.info › map-set
Map and Set - The Modern JavaScript TutorialMap. Map is a collection of keyed data items, just like an Object. But the main difference is that Map allows keys of any type. Methods and properties are: new Map() – creates the map. map.set(key, value) – stores the value by the key. map.get(key) – returns the value by the key, undefined if key doesn’t exist in map.
