https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Symbol
Symbol - JavaScript | MDN - MDN Web DocsUn objet Symbol est un objet natif dont le constructeur renvoie une valeur primitive de type symbol. On parle de valeur symbole ou de symbole : il s'agit d'une valeur dont l'unicité est garantie. Les symboles sont souvent utilisés pour ajouter des clés de propriétés uniques à un objet afin que celles-ci ne rentrent pas en conflit avec des ...
Symbol is a built-in object whose constructor returns a symbol primitive — also called a Symbol value or just a Symbol — that's guaranteed to be unique. Symbols are often used to add unique property keys to an object that won't collide with keys any other code might add to the object, and which are hidden from any mechanisms ...
https://fr.javascript.info › symbol
Type symbole - JavaScriptType symbole. Par spécification, seuls deux types primitifs peuvent servir de clés de propriété d’objet : type symbol. Sinon, si l’on utilise un autre type, tel que nombre, il est automatiquement converti en chaîne de caractères. Ainsi, obj[1] est identique à obj["1"], et obj[true] est identique à obj["true"]. Jusqu’à présent ...
https://javascript.info › symbol
Symbol type - The Modern JavaScript TutorialJavaScript symbols are different. So, to summarize, a symbol is a “primitive unique value” with an optional description. Let’s see where we can use them. Symbols don’t auto-convert to a string. Most values in JavaScript support implicit conversion to a string. For instance, we can alert almost any value, and it will work. Symbols are special.
https://www.javascripttutorial.net › symbol
The Ultimate Guide to JavaScript Symbol - JavaScript TutorialThe Ultimate Guide to JavaScript Symbol. Summary: in this tutorial, you will learn about the JavaScript symbol primitive type and how to use the symbol effectively. Creating symbols. ES6 added Symbol as a new primitive type.
https://www.programiz.com › javascript › symbol
JavaScript Symbol (with Examples) - ProgramizJavaScript Symbol (with Examples) The JavaScript ES6 introduced a new primitive data type called Symbol. Symbols are immutable (cannot be changed) and are unique. For example, // two symbols with the same description const value1 = Symbol('hello'); const value2 = Symbol('hello'); console.log(value1 === value2); // false.
https://fr.w3docs.com › apprendre-javascript › symbol-types.html
JavaScript Symbol Types | W3Docs JavaScript TutorialOn this page, you will find all the most essential details of the symbol types in JavaScript. You will learn how to use them in your practice efficiently.
https://web.dev › learn › javascript › data-types › symbol
Symbol - web.devThere are three types of symbols: Symbols created with Symbol() Shared symbols that are set and retrieved from a global Symbol registry using Symbol.for() "Well-known symbols" defined as static properties on the Symbol object.
https://www.w3docs.com › learn-javascript › symbol-types.html
Comprehensive Guide to JavaScript Symbols - W3docsIntroduction to JavaScript Symbols. Symbols, introduced in ECMAScript 2015 (ES6), are a unique and immutable data type that are primarily used to add unique property keys to objects. This guide explores Symbols, their practical applications, and how they enhance JavaScript development through unique identifiers and meta-programming capabilities.
https://runebook.dev › fr › docs › javascript › global_objects › symbol
JavaScript - Symbol [fr] - Runebook.devSymbol est un objet intégré dont le constructeur renvoie un symbol primitive — également appelé valeur de symbole ou simplement symbole — dont l'unicité est garantie. Les symboles sont souvent utilisés pour ajouter des clés de propriété uniques à un objet qui n'entreront pas en collision avec les clés qu'un autre code pourrait ...