question on react and ds/algo on hacker rank
Lead Front End Developer Interview Questions
8,612 lead front end developer interview questions shared by candidates
Describe a time where you were in a difficult situation
What was a technology you recently learned about and how did you use it?
In HR interview they ask for salary expectations, my experience and role in past projects. Technical interview usually contains algorithm questions, question regard frontend and react and time complexity
How does the JavaScript event loop schedule microtasks vs macrotasks, and why does a Promise callback run before setTimeout(..., 0)? Also, how would you keep a React UI responsive during a long API request?
Tell us about yourself and your experience.
Most questions were about my experience and the technology that I work with.
A good mix of JavaScript, React and leadership questions. Some React questions I remember were: 1. Difference between useEffect and useLayoutEffect? 2. Talk about useEffect. 3. What are redux selectors?
1. Initial recruiter call: - Why are you looking for a new role? - When you think about work, what do you like the most? - What are you looking for in your first role? 2. 1h Javascript call with team lead: - What are closures? - Example with outer and inner function about closures - Const vs let - Manipulating arrays (e.g. can you do array[2] = "dog") - What data structure would you use if you have a list of 10000 cities and you need to make sure there are no duplicates (you have to use an object or a set) - How can you make sure you can't modify an object (you have to use Object.freeze)
Why should I hire you?
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