The answer
sum(1)(2)(3)(4)..(n) (currying), implement debounce, implement Promise.all polyfill, and predict event loop output (sync, microtask, macrotask ordering).
JavaScript Interview Questions Asked by Specific Companies
What JavaScript questions does Amazon ask in interviews?
More FAQs in JavaScript Interview Questions Asked by Specific Companies
Implement debounce and explain when to use it, explain and implement event delegation, implement a deep clone function, and implement map/filter/reduce polyfills.
Implement throttle from scratch, explain the difference between debouncing and throttling and when to use each, explain prototypal inheritance, and explain closures with a real example.
Explain the difference between async and defer attributes and their impact on rendering, explain how JS handles async (event loop), and explain the this keyword binding rules.
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