The application is unresponsive or hangs, scrolling and clicks work with lag. How would you diagnose the problem?
Middle
140
Frontend
6436
681
What are lazy routes in Angular?
Middle
139
What is a design system from a development perspective, not just layouts in Figma?
Middle
137
What are modules, components, directives, pipes, and services in Angular?
Middle
134
Why use cookies, localStorage, sessionStorage, and IndexedDB, and what are the differences between them?
Middle
130
What Core Web Vitals and other web performance metrics do you know?
Middle
128
What does the CSS property will-change do?
Middle
123
What is the difference between CSR, SSR, and SSG, and what are their advantages and disadvantages?
Middle
121
What does your typical Git flow look like when working on a task: from receiving the task to merging?
Middle
111
There is a product showcase with many widgets that starts to lag on mobile devices. What and how will you optimize?
Middle
109
There is a search filter with debounce: the first request goes for one word, then the second — for a new word, but the first response arrives last and overwrites the UI. How to deal with this in Angular?
Middle
104
How does Change Detection work in Angular and what is it anyway?
Middle
103
What is hydration?
Middle
101
What is type narrowing?
Middle
93