- What is the relationship between Node.js and V8? Can Node work without V8?
- How come when you declare a global variable in any Node.js file it's not really global to all modules?
- When exporting the API of a Node module, why can we sometimes use exports and other times we have to use module.exports?
- Can we require local files without using relative paths?
- Can different versions of the same package be used in the same application?
- What is the Event Loop? Is it part of V8?
- What is the Call Stack? Is it part of V8?
- What is the difference between setImmediate and process.nextTick?
- How do you make an asynchronous function return a value?
- Can callbacks be used with promises or is it one way or the other?
- What Node module is implemented by most other Node modules?
- What are the major differences between spawn, exec, and fork?
- How does the cluster module work? How is it different than using a load balancer?
- What are the --harmony-* flags?
- How can you read and inspect the memory usage of a Node.js process?
- What will Node do when both the call stack and the event loop queue are empty?
- What are V8 object and function templates?
- What is libuv and how does Node.js use it?
- How can you make Node’s REPL always use JavaScript strict mode?
- What is process.argv? What type of data does it hold?
- How can we do one final operation before a Node process exits? Can that operation be done asynchronously?
- What are some of the built-in dot commands that you can use in Node's REPL?
- Besides V8 and libuv, what other external dependencies does Node have?
- What's the problem with the process uncaughtException event? How is it different than the exit event?
- What does the _ mean inside of Node's REPL?
- Do Node buffers use V8 memory? Can they be resized?
- What's the difference between Buffer.alloc and Buffer.allocUnsafe?
- How is the slice method on buffers different from that on arrays?
- What is the string_decoder module useful for? How is it different than casting buffers to strings?
- What are the 5 major steps that the require function does?
- How can you check for the existence of a local module?
- What is the main property in package.json useful for?
- What are circular modular dependencies in Node and how can they be avoided?
- What are the 3 file extensions that will be automatically tried by the require function?
- When creating an http server and writing a response for a request, why is the end() function required?
- When is it ok to use the file system *Sync methods?
- How can you print only one level of a deeply nested object?
- What is the node-gyp package used for?
- The objects exports, require, and module are all globally available in every module but they are different in every module. How?
- If you execute a node script file that has the single line: console.log(arguments);, what exactly will node print?
- How can a module be both requirable by other modules and executable directly using the node command?
- What’s an example of a built-in stream in Node that is both readable and writable?
- What happens when the line cluster.fork() gets executed in a Node script?
- What’s the difference between using event emitters and using simple callback functions to allow for asynchronous handling of code?
- What is the console.time function useful for?
- What’s the difference between the Paused and the Flowing modes of readable streams?
- What does the --inspect argument do for the node command?
- How can you read data from a connected socket?
- The require function always caches the module it requires. What can you do if you need to execute the code in a required module many times?
- When working with streams, when do you use the pipe function and when do you use events? Can those two methods be combined?
Created
April 12, 2017 21:52
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List of questions related to Node (from https://medium.freecodecamp.com/before-you-bury-yourself-in-packages-learn-the-node-js-runtime-itself-f9031fbd8b69) 2
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