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Junior Frontend Developer Interview Questions
10,729 junior frontend developer interview questions shared by candidates
see description above please , thanks
Why did you apply for Lucid Link?
React rendering process, render phase and commit phase
Mostly questions related to JavaScript, CSS & React. In the live coding round, I had to build an otp form in react using an already deployed app they provided.
Explain your project in detail.
Whether I know how to optimize load between frontend and backend.
Round 1: Little discussion on project, javaScript event loop & output order questions, 'this' keyword, callbacks and setTimeout, event propagation and delegation in DOM, debounce function implementation and use cases in real world. Round 2: Little discussion on project, micro-frontend architecture, DSA question on max subarray sum, explain == vs === , implementation of stopwatch in React (machine coding), javascript concepts on scopes, hooks. Round 3: Little discussion on project, implementation of input search box in React (machine coding) with debounce API calls (500ms delay after typing stops), encouraged to use hooks and, if possible, custom hooks
The task was to create a react app with multiple pages and multiple components.
what is react ? how it works ? advantages and disadvantages
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