Hewlett Packard Enterprise Senior Front end Developer Interview Questions and Answers

It was a hacker coding test mostly javascript questions

Q1. React advance concept
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Q2. Context api how to use that
Ans. 
Context API is a feature in React that allows sharing data between components without having to pass props manually.
• Create a context using createContext() method

• Use the Provider component to wrap the components that need access to the context

• Access the context data using the useContext() hook within the consuming components
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Q3. Higher order component
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Q1. Mainly introduction, how do you manage a project
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Q2. How to debug a code
Ans. 
Debugging a code involves identifying and fixing errors in the code to ensure it runs correctly.
• Use console.log() statements to print out values and check for errors

• Utilize browser developer tools to inspect elements and debug JavaScript

• Step through the code using breakpoints to identify the source of the issue

• Review error messages and stack traces to pinpoint the problem

• Consider using tools like linters and debuggers
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Q3. How to get employee details using group by
Ans. 
Employee details can be retrieved using group by clause in SQL.
• Use GROUP BY clause in SQL to group employee details based on a specific column

• Aggregate functions like COUNT, SUM, AVG can be used with GROUP BY to get summarized employee details

• Example: SELECT department, COUNT(*) as total_employees FROM employees GROUP BY department
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Q1. All about technical questions for SAP Spartacus
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Q1. Salary discussion
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Q1. How are you doing?
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Q2. What do you do in your life?
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Q1. No problem with this
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Q2. The only way you could be
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Q1. General intro to the hr person
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Q1. JS related questions
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Q1. JS related questions
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Q1. JS related questions
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Q1. Basic previous project technical details JavaScript let const var difference Hoisting Promises Async await
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Q1. Basic components communication
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Q2. Forms based questions
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Q1. Output questions on JavaScript.(Array, hoisting, event)
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Q2. Questions on React and Redux
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First round is online assessment. Where we have multiple choice questions related to angular, css. Html, javascript

Q1. AOT. JIT compilers, Pipes, Services, Singleton component
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Q2. Have you developed website for physically challenged ppl, accessibility
Ans. 
Yes, I have experience developing websites for physically challenged individuals with a focus on accessibility.
• Implemented keyboard navigation for users with mobility impairments

• Utilized ARIA roles and attributes to improve screen reader compatibility

• Ensured color contrast and text size met WCAG standards

• Tested websites with assistive technologies like screen readers and voice recognition software
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