Tell me about Promise: what it is, states, and static methods (especially the difference between Promise.all and Promise.race)?
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224
Frontend
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681
Tell me about WebSocket: how it works, what data can be transmitted, encryption?
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223
What is the Temporal Dead Zone (TDZ)? Why does it appear and how to deal with it?
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193
Tell about your work experience and current tasks on a betting platform.
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183
What happens during HTML parsing by a browser? How are CSS and JavaScript files processed?
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172
What is XSS (Cross-Site Scripting)? How to combat it? What is CSP?
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168
Tell about the lifecycle of React components (class-based and functional).
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166
Tell me about the Event Loop: what is it and what parts does it consist of?
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163
Tell me about the JWT token: what parts does it consist of, and where is it safer to store?
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163
Algorithm task: write a function that reversibly changes vowels in a word.
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159
How can an HTTP request be canceled?
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155
How is the process of delivering tasks from business to production organized at your company?
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152
What is a HOC (Higher Order Component)? What programming patterns are used in React?
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148
How does the garbage collector work in JavaScript?
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141
How to copy objects in JavaScript? What types of copying are there?
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141
How does React work? Tell me about Virtual DOM and the reconciliation mechanism.
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118
What happens when you enter a URL in the browser (https://google.com)? Describe the entire process from input to content display.
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113