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Concepts to be Familiar With

Before embarking on this journey and to be successful as a professional developer, you'll need to be familiar with all of the concepts below. This isn't an all-inclusive list, but it'll give you the foundation you need to pick up the rest. We've provided some links, but some good Google-fu will reveal a ton of information simply by Googling the concepts provided.

• HTML/CSS W3C Standards
  • Validate your work with the W3C Validator
• CSS
  • Flexbox
  • Pre-processors and post-processors
• JavaScript
  • MDN JavaScript Reference
    • Go through this often, especially early on, so you can see all the built-in methods JavaScript has available to make developing easier and faster
    • Use JSFiddle to try things out
  • ES6 Modules
    • exports and imports
  • async/await
  • try/catch/throw
  • var vs. let vs. const
• React and Angular
  • Familiarize yourself with both – pick one to learn first, then do a project in the other
  • React in 20 Minutes
  • React community examples
• Git
  • We have a whole section dedicated to Git in Chapter One – Project Setup
• Node Package Manager
  • The package.json file
  • npm commands
  • npm vs. npx
  • npm versioning
• Design Patterns & Principles
  • SRP (single responsibility principle)
  • DRY (don't repeat yourself)
• Refactoring Code
  • refactoring.guru
• Browser-based Data Storage
  • Cookies
  • LocalStorage
  • Security concerns around Cookies and LocalStorage
• Unit Testing
  • Jest
  • Mocking & Stubbing
  • Integration vs. unit testing
  • Testing in isolation