Frontend
Why is the sleep execution time not exactly 1000 and 2000 milliseconds, but slightly more? What affects the delay?
What is more comfortable for you: working strictly according to a technical specification or within discussions with the team?
Do you have a problem with taking tasks too literally and doing them 'as is', without asking questions or applying critical thinking (as one of your former colleagues did)?
How was it determined what needed to be optimized, and how was it optimized?
How did you discover the problem with PDF documents? How did you find and localize this problem?
What is async/await? How does it differ from Promise?
Do you publish yourself on similar resources?
How can data be exchanged between components: from parent to child, from child to parent, between siblings?
Who decomposes tasks into subtasks: you, the team lead, or the team?
/* * Write a function that takes a URL as input, * performs a GET request to this URL, * and returns the data (json). * Use fetch to get the data. * Only Promise API can be used. * If an error occurs during the request, try 5 more times. * If data cannot be obtained after all attempts, return the error "The specified URL is inaccessible". */ function get(url) { // code here } get(url) .then(res => console.log(res)) .catch(err => console.error(err))
Tell me about the mechanism of variable lookup in JavaScript (scope chain / lexical environment)
Tell me about ref and reactive: what are their differences, how do they work under the hood?
What would you do if you were given a task and you disagree with its implementation from the design or backend side?
What do colleagues value most about you?
Can you explain the difference between server-side and client-side state management? What are libraries like Tanstack Query used for?
Break down the application according to the Feature-Sliced Design (FSD) architecture — describe the layers App, Pages, Widgets, Features, Entities.
Do you have CI/CD? Do you use static code analyzers like SonarQube?
Besides the inject function and signals, what other new features of Angular did you like and remember?
There is a variable that can be of type Book or Video. How to check the object type? What type does the type guard function return?
Tell about your current workplace and project.