What is Node.js?

The video tutorial explains Node.js, a runtime that allows JavaScript to run on the server side using the V8 engine. It highlights the differences between JavaScript in the browser and Node.js, emphasizing how Node.js extends JavaScript's capabilities with C bindings. The tutorial also covers the implementation of JavaScript methods and the role of the V8 engine in executing JavaScript code.

What was the primary limitation of JavaScript before the introduction of Node.js?

• It was limited to server-side applications.

• It could only run in the browser.

• It was not compatible with databases.

• It could only run on mobile devices.

What is Node.js primarily built on?

• Apple's WebKit engine

• Mozilla's SpiderMonkey engine

• Microsoft's Chakra engine

• Chrome's V8 JavaScript engine

What is the role of the V8 engine in Node.js?

• To interpret JavaScript code directly

• To compile JavaScript code to machine code

• To provide a graphical user interface

• To manage network connections

How do Chrome and Node.js extend JavaScript functionalities?

• By incorporating Java libraries

• By using Python scripts

• By providing C++ bindings

• By using HTML templates

Which of the following is NOT a method provided by the Node.js runtime?

• process.exit

• OS.platform

• FS.readFile

• document.querySelector

What is the purpose of the 'global' object in Node.js?

• To manage user sessions

• To store browser-specific methods

• To handle HTTP requests

• To store global variables and methods

Which object is specific to JavaScript running in the browser?

• console

• process

• global

• window

What happens when you try to access the 'window' object in Node.js?

• It returns the current browser window

• It throws a reference error

• It logs the current URL

• It opens a new browser window

Which method allows you to exit a Node.js process?

• window.close()

• process.exit()

• global.shutdown()

• document.exit()

What is the REPL in Node.js used for?

• Running bash commands

• Executing individual Node.js statements

• Managing database connections

• Compiling C++ code