JavaScript Questions: Finding Unique Numbers from an Array: Implemented a solution to find unique numbers from a given array. Difference between let, const, and var: Discussed scope, reassignment, and hoisting behavior of these variables. Hoisting: Explained how hoisting works in JavaScript, specifically with variables and function declarations. Promises, Callbacks, and Async/Await: Described each concept, their roles in handling asynchronous operations, and their differences.