https://stackoverflow.com › questions › 4602141

Is there a way to get a variable name as a string in Javascript? (like NSStringFromSelector in Cocoa) I would like to do like this: var myFirstName = 'John'; alert(variablesName(myFirstName) + ":" + myFirstName); --> myFirstName:John

https://stackoverflow.com › questions › 3565031

Determine original name of variable after its passed to a function. I would like to know if its possible to get the actual name of a variable. For example: var foo = 'bar'; function getName(myvar) {. //some code. return "foo". }; So for getName (foo) will return "foo".

https://medium.com › @amarkanala › get-variable-name-as-a-string-in-javascript-cc8c5443df4a

There might be a usecase to get variable name as a string, perhaps for logging purposes. We can do this by constructing object using shorthand and then pulling out the first property name...

https://www.geeksforgeeks.org › how-to-convert-string-to-variable-name-in-javascript

In this article, we will learn to create a variable using the user-defined name in JavaScript. Variables in JavaScript: Basically, it is a container that holds reusable data in JavaScript. The variable's value can be changed during program execution and should be declared before using it. Before ES6 declares a variable, we just use the var keyword

https://dev.devbf.com › posts › how-to-get-a-variables-name-as-a-string-in-javascript-fadab

By creating an object with the variable as a property, we can use Object.keys () to obtain the variable’s name as a string. const myFirstName = 'John'; const nameObject = { myFirstName }; const getVarName = (v) => Object.keys(v)[0]; const varName = getVarName(nameObject); console.log(varName); // Output: "myFirstName" Discussion.

https://www.w3schools.com › js › js_variables.asp

All JavaScript variables must be identified with unique names. These unique names are called identifiers. Identifiers can be short names (like x and y) or more descriptive names (age, sum, totalVolume). The general rules for constructing names for variables (unique identifiers) are: Names can contain letters, digits, underscores, and dollar signs.

https://fr.javascript.info › variables

Pour créer une variable en JavaScript, nous devons utiliser le mot-clé let. L’instruction ci-dessous crée (autrement dit: déclare) une variable avec le nom “message” : let message; Maintenant, nous pouvons y mettre des données en utilisant l’opérateur d’affectation = : let message; message = 'Hello';

https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Statements › var

L'instruction var (pour variable) permet de déclarer une variable et éventuellement d'initialiser sa valeur. Exemple interactif. Syntaxe. js. var nomVar1 [= valeur1] [, nomVar2 [= valeur2] … [, nomVarN [= valeurN]]]; nomvarN. Le nom de la variable, cela peut être n'importe quel identifiant valide. valeurN.

https://www.javascript.com › learn › variables

Here’s how to declare a variable: And here’s what’s happening in the example above: var is the keyword that tells JavaScript you’re declaring a variable. x is the name of that variable. = is the operator that tells JavaScript a value is coming up next. 100 is the value for the variable to store. Using variables.