javascript_expert_path.md

Javascript Expert Path

Beginner

• Basic syntax
  • Variables types:
    • Variable declaration: var, let and const
    • float, integer, string, boolean, null, undefined
  • Operators:
    • Arithmetic: +, -, *, /, %, ++, --
    • Comparison: >, <, >=, <=, ==, ===, !=, !==
    • Logical: &&, ||, !
  • Conditionals:
    • if, else, else if, for (forEach, for … of, for … in), while, do while, switch case
  • Functions:
    • Regular user and known what first class citizen is (concept)
    • Arrow functions
  • Data structures: Array, Object, Map, Set
    • Object
      • assign, entries, keys, values …
    • Array
      • isArray, includes, sort, reverse, concat, some …
  • Exception handling
    • try, exception, finally

Intermediate

• Strict mode
• JSON
  • stringify and parse
• Functions
  • arguments params
  • new.target
  • destructuring
• Template literals
  • Tagging
• Object-Oriented
  • Literal object notation
  • New class notation
  • Function base class
• Functional programming
  • map, filter, reduce
  • Closure
• Modules
• Promises
  • fetch

Advanced

• Spread vs Rest operators (…)
• Expressions
  • Double exclamation marks (!!)
  • Nullish coalescing operator (??)
  • Nullish coalescing assignment (??=)
  • Optional chaining (?.)
• Iterators and Generators
• Object-Oriented
  • Symbols
  • Prototype
• Proxy Object
• Memory management
• Paralelism and Concurrency
  • Async / Promises
    • Promises.all

Specialist

• Advanced features of Scopes and Closures
  • IIFE
  • closure
  • Hoisting
• Metaprogramming
  • Proxies
  • Reflect API