Server-side programming

This chapter goes through the basics of the JavaScript programming on the server side using Node.js.

• 4-1. Node primer
  • compare node.js and browser env
  • event loop
  • modules, NPM
  • package.json
  • semantic versioning
• 4-2. Asynchronous callback
  • asynchronous I/O operations
  • event and event handlers
  • sequential I/O operations
• 4-3. Promises
  • promises, state and result
  • then and catch handlers
  • chaining promises
  • handling errors
  • await and async
• 4-4. ES modules
  • modules: built-in, local, NPM
  • named exports
  • default export
  • compatibility with CommonJS
• 4-5. Database access
  • sqlite
  • SELECT, INSERT, UPDATE, DELETE

Here are some useful online reference for this chapter.

• https://nodejs.org: official site of Node.js, and the API reference
• Tutorial on Node.js: cover key concepts and built-in modules of Node.js
• Advanced JavaScript concepts covered in this chapter
  • Chapter 11 in the Modern JavaScript tutorial: Promise
  • MDN article, Using promises
  • MDN Chapter on Asynchronous JavaScript
  • Error handling, including exception handling
  • Modules, MDN
  • Modules in Modern JavaScript tutorial