Variables: Variables in JavaScript are containers for storing information. JavaScript permits the utilization of variables within the following 3 ways:
var:
var is essentially the most generally used variable in JavaScript. It may be initialized to a worth, redeclared and its worth could be reassigned, however solely contained in the context of a perform. It may be perform scoped or globally scoped.
let:
let in JavaScript is just like var solely distinction lies within the scope. var is perform scoped, let is block scoped. It can’t be redeclared however could be reassigned a worth.
const:
const in JavaScript is used to declare a set worth that can not be modified over time as soon as declared. They will neither be redeclared nor be reassigned. They can’t be hoisted both.
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