What are commonjs modules?

514

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In which language node js is written?

529

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How node js read the content of a file?

466

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What do you understand by middleware?

496

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What do you understand by middleware? How can you use middleware in node js?

469

---

How to generate unique uuids/ guid in node js?

502

---

What is difference between put and patch?

518

---

How to authenticate users in express js?

440

---

Explain ecmascript?

502

---

Why zlib is used in node js?

569

---

Write the steps for setting up an express js application.

521

---

Explain the difference between readfile and createreadstream in node js?

574

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Who is the author of node js?

521

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Which template engine is supported by express js?

483

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What does emitter do and what is dispatcher?

591

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