Frontend

Create a new type based on the Delivery type, where the fields name, address, and date become optional (Partial).

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How many users will we have? Is SEO optimization needed? Is localization needed? What metrics should be collected?

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What advantages does using the inject() function provide over constructor injection in your project?

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What is strict mode in JavaScript? What are the differences when it is enabled and when it is not? What restrictions does it impose?

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What methods can be used to improve application performance (frontend, backend, database)?

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Implement the function promisify: it takes a function with an error-first callback (loadScript) and returns a new function that accepts any arguments, adds an error-first callback, and wraps the call in a Promise.

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[name] asked: please tell us about your experience.

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Conduct a review of the Angular component displaying the list of repositories: suggest and implement changes necessary for the component to be ready for merge.

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Implement a 'Slot Machine' component with three drums: store the current values of the drums, implement spinning (RunSpinner), disable state for the button, determine win/loss and display the message correctly, and make the component scalable to an arbitrary number of drums.

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If we have a very powerful server, do we still need a load balancer?

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Suggest several options to fix the getMultiSum method so that it correctly calculates the result (losing the context of 'this').

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Расскажите о хуках жизненного цикла Angular: ngOnChanges, ngOnInit, ngDoCheck, ngAfterContentInit, ngAfterContentChecked, ngAfterViewInit, ngAfterViewChecked и ngOnDestroy.

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Describe the structure of system design: client, DNS, servers, load balancer, database, S3 storage, CDN, caching (Redis).

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Is Observable synchronous or asynchronous?

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Name and compare higher-order operators in RxJS: switchMap, mergeMap, concatMap, and exhaustMap.

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What potential security threats does this application have and how to protect against them?

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Besides the folder structure, what other principles does FSD have?

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Given a function that returns an object of type { getNumby: number, createDub: number } or { getNumby: string, createDub: string }, how would you write a TypeScript type that fits both cases (A and B) but does not allow the variant where fields have different data types?

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Have you ever attended web system design sections before?

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Explain how ChangeDetectionStrategy.OnPush works and how it differs from the Default strategy.

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