JavaScript Interview Questions — a practical guide to JavaScript interview questions with clear examples you can reuse in real projects.
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Short description
Be ready for closures, this, event loop, promises, and prototypal inheritance.
Sample Q&A
Q: var vs let/const?
A: var is function-scoped; let/const are block-scoped; const can't reassign binding.
Q: Closure?
A: Function retaining access to outer scope variables.
Q: == vs ===?
A: == coerces; === is strict.