CoreFlex Solutions Interview Questions and Answers

Q1. What is use for usememo
Ans. 
useMemo is a React hook used for memoizing expensive computations and optimizing performance.
• useMemo is used to memoize the result of a function or computation.

• It takes a function and an array of dependencies as arguments.

• The function is only re-executed if any of the dependencies change.

• It returns the memoized value, which can be used in the component.

• It is useful for optimizing performance by avoiding unnecessary re-
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Q2. What use for Useeffect
Ans. 
The useEffect hook is used in React to perform side effects in functional components.
• It is used to handle side effects like data fetching, subscriptions, or manually changing the DOM.

• It runs after every render and can be used to replace lifecycle methods like componentDidMount and componentDidUpdate.

• It takes two arguments: a function that contains the side effect logic, and an optional array of dependencies.

• The functio...read more
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Q3. What is semantic elements
Ans. 
Semantic elements are HTML tags that clearly define the content they contain for both browsers and developers.
• Semantic elements provide meaning to the content they enclose, making it easier for search engines to index and for screen readers to interpret.

• Examples of semantic elements include <header>, <footer>, <article>, <section>, <nav>, <aside>, <main>, <figure>, <fi...read more
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Q1. What is use for usememo
Ans. 
useMemo is a React hook used to memoize the result of a function and optimize performance.
• useMemo is used to cache the result of a function and only recompute it when its dependencies change.

• It is useful for optimizing expensive calculations or preventing unnecessary re-rendering of components.

• Example: useMemo(() => calculateExpensiveValue(a, b), [a, b])

• The memoized value is returned by useMemo and can be used in the c
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Q1. What is your qualifications
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Q2. Bsc physics with typing speed 30 WPM
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Typing ,Grammar ,Numbers and Ect

Q1. Regarding business process only no technical questions were asked
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