https://stackoverflow.com › questions › 762011
What is the difference between "let" and "var"? - Stack OverflowThe main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope).
https://www.geeksforgeeks.org › difference-between-var-and-let-in-javascript
Difference between var and let in JavaScript - GeeksforGeeksLearn the syntax, scope, hoisting and browser support of var and let keywords in JavaScript. See examples of how to use var and let in different contexts and compare their features.
https://www.programiz.com › javascript › let-vs-var
JavaScript let Vs var (with Examples) - ProgramizLearn the differences between let and var in JavaScript, such as block scope, redeclaration, hoisting, and browser support. See examples of how to use let and var in functions, loops, and if statements.
https://www.javascripttutorial.net › difference-between-var-and-let
Difference Between var and let in JavaScript - JavaScript TutorialLearn how var and let keywords affect variable scopes, global properties, redeclaration and temporal dead zone in JavaScript. See examples and explanations of the key differences and similarities.
https://www.freecodecamp.org › news › var-let-and-const-whats-the-difference
Var, Let, and Const – What's the Difference? - freeCodeCamp.orgLearn how var, let, and const differ in JavaScript variable declaration. Var is globally or function scoped, can be re-declared and updated, and is hoisted. Let is block scoped, can be updated but not re-declared, and is not hoisted. Const is block scoped, cannot be updated or re-declared, and is not hoisted.
https://code-garage.fr › blog › quelles-sont-les-differences-entre-var-let-et-const-en...
Quelles sont les différences entre var, let et const en Javascriptlet sert à définir une variable locale. const sert à déclarer une référence constante. Attention, une référence constante ne veut pas dire que la valeur derrière la référence est "immutable", mais que la référence elle-même est immutable.
https://www.w3schools.com › JS › js_let.asp
JavaScript Let - W3SchoolsLearn the difference between var and let in JavaScript, and how they affect variable scope, redeclaration, hoisting and this binding. See examples, browser support and comparison table.
https://www.freecodecamp.org › news › differences-between-var-let-const-javascript
var, let, and const in JavaScript – the Differences Between These ...var and let create variables that can be reassigned another value. const creates "constant" variables that cannot be reassigned another value. developers shouldn't use var anymore.
https://stackoverflow.com › questions › 37124640
Difference between let and var in JavaScript - Stack OverflowThe var a is pulled out in the scope of the function, rather than stying isolated in the block for the if, so like this; function a() {. var a; // The JS compiler pulls the var out to this level. if (true) {. a = 7; let b = 42; // but keeps the let in this block. }
https://flexiple.com › javascript › javascript-let-vs-var
Difference Between var and let in JavaScript - FlexipleThe difference between var and let in JavaScript primarily lies in their scope and hoisting behaviors within local scopes. In the context of local scope, var declares a variable that is function-scoped, whereas let declares a variable that is block-scoped.
