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Front End Developer Interview Questions
12,571 front end developer interview questions shared by candidates
promises, event loop in depth, tricky output based questions (not common, really tests). Your experience based, polyfills to write, code block to fix,HLD, LLD is scenario to break down into comp, data models, HM is experience and challenges and fitment discussion
Can you do a responsive?
15 min basic questions on Angular Next 15min He asked me to write some syntax Eg)asked me to write code in compiler ( Reactive form)
1. If I start a startup would I prefer writing unstructured code in two month or clean, efficient, testable code in a year. (Comparing 2 vs 12 months is a totally unrealistic example. Experienced developer would add new features faster when she/he has clean and well designed code base. There will be fewer bugs also. A good code base would never take 6 times longer to develop.) 2. Would I spend time to add a feature to Web app or to migrate it to ES6? 3. Why do some of TransferWise users drop off at the fourth transfer flow process, which is entering billing information? 4. What would I change to make more users to enter their billing information? 5. How would I know that my change improved the statistics if there were 10 more changes?
Serialise IDs from a nested tree of items const data = [ { id: 1, items: [{ id: 4, items: [{id: 5}, {id: 6, items: [{id: 8}]}]}]}, { id: 2, items: [{ id: 7}]}, { id: 3 }, { id: 9, items: [{id: 10, items: [{id: 12}]}, {id: 11}] } ]; // Should return [1, 2, 3, 9, 4, 7, 10, 11, 5, 6, 12, 8]
Quickest way to find duplicate characters in a string
angular/design patterns/micro front end/Code review session with the existing code
How is array created in Javascript
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