Deloitte Reactjs Developer Interview Questions and Answers

MCQ based Questions were asked

Q1. Do you follow CI/CD process?
Ans. 
Yes, I follow CI/CD process to automate testing and deployment.
• I use tools like Jenkins, GitLab CI, or CircleCI to automate the build, test, and deployment process.

• I write unit tests and integration tests to ensure code quality before deployment.

• I regularly push code changes to version control and trigger automated builds and tests.

• I use continuous integration to merge code changes frequently and detect issues early in
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Q2. What is CI/CD Process
Ans. 
CI/CD process is a software development practice that involves continuous integration, continuous delivery, and continuous deployment.
• Continuous Integration (CI) involves automatically building and testing code changes frequently.

• Continuous Delivery (CD) ensures that code changes are always in a deployable state.

• Continuous Deployment (CD) automatically deploys code changes to production environments.

• CI/CD helps in redu...read more
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Q1. React basics link version
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Got a link on mail to give online clearance test. 25 questions on react, Js and html-css

Q1. Build a login page
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Basic ReactJs questions
Javascriprt coding
Rest Dev. Aditya’s youtube videos are enough to crack

Q1. What is event loop?
Ans. 
Event loop is a mechanism that allows JavaScript to handle multiple tasks simultaneously.
• Event loop is a part of JavaScript runtime environment.

• It continuously checks the call stack and the task queue.

• If the call stack is empty, it takes the first task from the queue and pushes it to the call stack.

• Examples of tasks include DOM events, setTimeout, and AJAX requests.
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Q2. Whatbis clousers ?
Ans. 
Closures are functions that have access to variables in their outer scope, even after the outer function has returned.
• Closures are created when a function is defined inside another function.

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

• Closures can be used to create private variables and functions in JavaScript.

• Example: function outer() { let x = 10; functio...read more
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There were 15 mcq questions from JS, React,HTML and CSS

Q1. Basic React and Javascript questions
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Q1. Basics of react, javascript, hooks
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Q1. Realted to React js
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Q2. Javascript basics
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Q1. About salary discussion
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