Terms like hoisting, scope, differences between var, let const. How frameworks work underneath (React).
Ui Developer Interview Questions
3,529 ui developer interview questions shared by candidates
How do you deal with situations where best practices can't be adhered to die to upward role power or political reasons?
What was the event loop?
- HTML, tags, tags semánticos, metatags, SEO - CSS, selectores, pseudo elementos, pseudo selectores, preporcesadores, nesting, frameworks, flexbox, grid - JS, hoisting, closures, callbacks, variables, promises, scope, local storage, session storage, prototype, array methods, TS, type, interface - React, hooks, custom hooks, testing (bastantes preguntas en inglés), jest, react testing library, NextJS, SSR, routing, HOC. Ciclo de vida de un componente, Props - Git, Gitflow - NodeJS, NestJS, BFF. (Básico)
- Debounce Implementation - Debounce v/s Throttle - Remove Duplicates - const arr2 = [2, 1, 5, 2, 3, 2]; const S = 7; pair whose sum is >= S Given an array of integers, and a number ‘sum’, print all unique pairs in the array whose sum is > than ‘sum’. - const arr2 = [2, 1, 5, 2, 3, 2]; Replace each element with multiplication of rest of the elements, keeping in mind Time complexity (avoid nested for loops) - HOC, ForwardRef, ContextAPI
How to detect a loop in a linked list and memory optimization. Lots of questions on react. useState, useEffect, virtualDOM, etc.
Technical round 1 - All javascript concepts, latest angular concepts while rxjs is the important concept to study. They mainly focus on your angular part. And also basic HTML and Css questions Technical round 2 - Angular question related to parent-child interaction,. How can you pass the values obtained from one service file to another ? Javascript basic programming. If you are good at Unit testing, they will ask questions.
have you used any javascript frameworks?
importance of DOCTYPE in HTML and what browser compatibility issues have you faced before?
Define specific elements you would have on a mobile app for someone who orders coffee from a coffee shop?
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