Habilelabs Senior Software Engineer Interview Questions and Answers

Closure is a function that has access to variables in its outer scope, even after the outer function has returned.

• Closure is created when a function is defined inside another function.

• The inner function has access to the outer function's variables and parameters.

• The inner function can access the outer function's variables even after the outer function has returned.

• Closures are used for data privacy, event handlers, and...read more

hoc, pure component and react.memo are all ways to optimize React components.

• Higher Order Components (HOC) are functions that take a component and return a new component with additional functionality.

• Pure Components are components that only re-render when their props or state change.

• React.memo is a higher order component that memoizes the result of a component rendering, preventing unnecessary re-renders.