learning-map.md

My Coding Roadmap

Best Practices

• Javascript Style Guide
  • indentation
  • snake_case vs. camelCase

Javascript Standard Library

• Data Structures
  • Boolean
  • Number
  • String
  • Array
  • Object
  • Date
  • Regex
• Primitive Values
  • undefined
  • null
  • Infinity # ?
  • NaN # ?
• Reserved Keywords *

Control Flow concepts

• Booleans
  • true
  • false
  • truthy values in javascript
    • type coercion
• Logical/Mathematical Comparators
  • === vs. ==
  • !==
  • >, >=, <=, <
• Boolean Operators
  • Default Operator (||)
  • Guard Operator (&&)
  • Not (!)
  • Not Not (!!)
• Conditionals
  • if, else if, else
  • ternary operator
• Loops
  • incremetors / decrementors
    • ++ operator
    • -- operator
    • post increment vs. pre increment *
  • for loop
  • while loop
  • grabbing the "current" value for an array
    • using the current index
    • using bracket notation

Functions & Scope

• named functions
• arguments vs. parameters
  • arguments keyword
• inputs and outputs
  • return values vs. side-effects (e.g. console.log)
    • explicit return value
    • implicit return value
  • callback functions (synchronous)
    • anonymous functions
    • first class functions
  • asynchronous callback functions (e.g. ajax)
• scope
  • global scope
    • window object
  • local/functional scope
    • var vs let
  • this keyword
    • .bind()
    • .apply()

Constructors & OOP

• new keyword
  • this keyword
• prototype
• function vs. method

Built-in Methods

• Reading documentation
• Boolean Methods
• Number Methods
• String Methods

Array Methods

• iterator methods
  • (for loops)
  • (callback functions)
  • forEach
  • map
  • filter
  • reduce

• Object Methods
• Date Methods
• Regex Methods

Debugging

• Reading Errors
  • Reproducing errors
  • Reading the stack trace
  • Types of Errors
    • ReferenceError
    • SyntaxError
    • TypeError
• Strategies
  • printing to the console
    • console.log
    • console.count
    • assertions
  • divide and conquer
  • debugger
  • testing