SalesHandy Interview Questions and Answers

Q1. JavaScript OOP concept questions on constructors and classes
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Q2. Output based questions based on Event Loop and constructors.
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Q3. Difference between public, private, protected access modifiers.
Ans. 
Public, private, and protected are access modifiers used in object-oriented programming to control the visibility of class members.
• Public: accessible from outside the class

• Private: only accessible within the class

• Protected: accessible within the class and its subclasses
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Q1. Lazy loading in react
Ans. 
Lazy loading in React is a technique used to improve performance by loading components only when they are needed.
• Lazy loading helps reduce initial load time by splitting the code into smaller chunks.

• React.lazy() and Suspense are commonly used for lazy loading in React.

• Lazy loading is especially useful for large applications with many components.
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Q2. Cache bursting
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Q3. Difference between == and ===
Ans. 
The difference between == and === is that == checks for equality after type coercion, while === checks for equality without type coercion.
• == is a loose equality operator that performs type coercion before comparing two values.

• === is a strict equality operator that does not perform type coercion before comparing two values.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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Q1. Insta feed post rate has decreased by 30 %! Analyse
Ans. 
The Insta feed post rate has decreased by 30%, indicating a potential issue with content strategy or audience engagement.
• Evaluate the type of content being posted - is it relevant, engaging, and resonating with the target audience?

• Assess the timing of the posts - are they being posted at optimal times when the audience is most active?

• Review the frequency of posts - are there enough posts being published to maintain aud...read more
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Optimise Sequence Launch time by half.

Q1. How do you improve our web too?
Ans. 
I improve our web tool by conducting user research, analyzing data, implementing user feedback, and staying updated on industry trends.
• Conduct user research to understand user needs and pain points

• Analyze data to identify areas for improvement and track user behavior

• Implement user feedback to make iterative improvements

• Stay updated on industry trends to incorporate new features and technologies
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