Frontend

What language and technologies did you work with in backend development?

What are 'agents' in the described product?

What is the difference in how React.memo works with components that have props and those that do not?

[имя] спросил: What types of tests have you written in Angular applications?

What should be done in the chain of custom Promises to make execution go to catch?

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Have there been cases when two consumers connected to the same Kafka topic?

Experience working with micro frontends?

Provide feedback on the service from the invitation link: what are your impressions?

For a code fragment with synchronous code, setTimeout, and Promise, determine the order of output in the console, explaining the macro- and microtask queues.

Have you worked with devDependencies, peerDependencies, optionalDependencies or bundledDependencies?

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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.

How to organize through a service scenarios where two components need to read the same value or have shared state?

What is the difference between a regular script, a script with async, and a script with defer? If there are multiple script tags on a page, in what order will they load and execute?

What is the difference between interface and type in TypeScript? When should each be used?

```javascript const obj = { name: 'Alex', say() { console.info(this.name); } }; const obj2 = { name: 'Ivan' } const fn = obj.say.bind(obj).bind(obj2); fn(); obj.say(); ```

What problems can arise during the hydration of an SSR application, for what reasons, and how would you solve them?

What is prototype pollution vulnerability?

Please tell us about yourself, your experience at your last job, the main specifics, the tech stack — everything you think is necessary to share.

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[name] asked: Was the architect generally responsible for the frontend architecture, or was there a separate person responsible for it on the frontend?

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Яндекс

// input parameters: // url // options export function useFetch() { // logic const fetchData = async () => {}; return { data, error, loading }; }