JavaScript Variables: Let, Const, and Var Differences Explained

In JavaScript, you do not have to explicitly declare variable types, they can change dynamically based on their values. Hence it is called loosely-typed language. let a = 123; // variable 'a' initialized with number a = "abc"; // 'a' as string console.log(a); // Output: abc Here variable 'a' was initally declared of type number, but when redeclared with other value of type string its type gets changed dynamically of type string....