Mro Corp Senior Analyst Interview Questions and Answers

Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.

• Closures are created when a function is defined within another function and has access to the outer function's variables.

• They can access variables from the outer function even after the outer function has returned.

• Closures are commonly used in event handlers, callbacks, and for data privacy i...read more

Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.

• Hoisting applies to both variable and function declarations.

• Variables declared with var are hoisted to the top of their function scope.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Function expressions are not hoisted.

• Examp...read more