IntelliMedia Networks React Js Frontend Developer Interview Questions and Answers

React lifecycle methods are functions that are called at different stages of a component's life.

• Mounting: constructor(), render(), componentDidMount()

• Updating: render(), componentDidUpdate()

• Unmounting: componentWillUnmount()

• Error Handling: componentDidCatch()

Debounce the API call on input change to optimize performance.

• Implement a debounce function to delay the API call until the user has finished typing.

• Set a time interval for the debounce function to wait before making the API call.

• Cancel the previous API call if a new input change occurs before the time interval is up.

• Use a loading spinner to indicate to the user that the API call is in progress.

• Consider using a caching...read more

useMemo is a hook in React that memoizes the result of a function and returns the cached value when the inputs don't change.

• useMemo is used to optimize performance by avoiding unnecessary re-renders.

• It takes two arguments: a function that returns a value and an array of dependencies.

• If any of the dependencies change, the function is re-executed and the new value is cached.

• Example: useMemo(() => expensiveFunction(a, b),...read more

Sales involves selling products or services to customers, while digital marketing utilizes online platforms to promote and advertise products.

• Sales is the process of persuading customers to purchase a product or service

• Digital marketing involves using online channels such as social media, email, and websites to reach potential customers

• Sales executives need to understand customer needs and preferences to effectively se...read more

I am fluent in English, Spanish, and French.

• English

• Spanish

• French

I use a combination of prospecting, relationship building, product knowledge, and closing techniques to sell a product.

• Identify target market and prospects

• Build relationships with potential clients

• Demonstrate product knowledge and benefits

• Use effective communication and negotiation skills

• Close the sale by addressing objections and providing solutions