On the page resize event, we want to send analytics. If we just attach a handler to resize, it will be called hundreds of times per second. How can this be avoided?
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Can you tell me about the differences between HTTP versions 1, 2, and 3?
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Can we retrieve data using a DELETE request or send data using a GET request?
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There is another rendering stage in the overall process — can you recall which one? Why is layer separation (composition) needed?
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During HTML parsing, if scripts are placed at the top of the page, do they block the further loading of the page or not?
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It turns out that the work with these effects was allocated to a separate library?
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Does it make sense to use useMemo or useCallback for a function that returns JSX?
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Will the page be interactive during this infinite recursion?
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Live coding: you have an example code using Event Loop (synchronous functions, async/await, Promise, setTimeout). You need to arrange the order of console.log execution — what will run first, second, third, etc.
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[name] asked: How ready are you to do page layout and UI element creation about 75% of your working time?
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The useEffect has a cleanup function and a dependency array with parameters a, b, c. When will the cleanup function execute?
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Have there been issues with different libraries around React in different companies' projects?
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If styles are linked via a separate link instead of scripts, do they block rendering?
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Is the OPTIONS request sent in every cross-domain request or only when necessary? What is the difference between simple and complex requests in this context?
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[name] asked: Was design review included in the release process? How did it go?
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Tell me what static methods exist for working with promises. Explain what Promise.any and Promise.all do.
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[name] asked: Can you tell me about the stack you worked on? Specifically, tell me more about Next.js.
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Live coding: implement a function $ (similar to jQuery), which takes a valid CSS selector and finds nodes accordingly. The function should return an object with methods addClass, toggleClass, removeClass, css (apply styles), html (insert HTML/CSS inside the element) — with chaining capability. The provided test code with chaining should not be changed and must work after implementing the function.
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What sources of microtasks and macrotasks do you know?
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How does debounce differ from throttle?
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