What is an error-first callback?

572

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Explain the role of repl in node.js?

494

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What is node.js? Where can you use it?

552

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Does node.js support multi-core platforms? And is it capable of utilizing all the cores?

471

---

Mention the command to stop repl in node.js?

533

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What are the functionalities of npm in node.js?

502

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What are globals in node.js?

467

---

What are exit codes in node.js? List some exit codes.

569

---

What is a child_process module in node.js?

505

---

What are the differences between “readuintbe” and “writeintbe” in node.js?

521

---

Explain chaining in node.js?

496

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What is the latest version of node.js available?

530

---

Write a program to print 0 to n element in pyramid shape?

464

---

For what require() is used in node js?

469

---

How to config properties in express js?

603

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