toc.md

Basics of ES2015 - Webinar 1

• let, const
  • Block-level scope using let
  • Environment per iteration - let and closures (extra demo)
  • How let differs from var when used in the global scope
• Strings and Templating
  • Usage
  • Multi-line strings
  • Variable interpolation
  • Calling functions during interpolation
• Object and Array Destructuring
  • Array destructuring
    • Syntax
    • Skipping items when destructuring
    • Separate declaration and initialization
  • Object destructuring
    • Syntax
    • Providing default values
    • Renaming variables
    • Renaming and providing defaults too
    • Destructuring arguments passed (and providing defaults) and return values
• Arrow Functions
  • Expressions in RHS
  • Function body in RHS
  • Context of arrow functions (this)
  • Context of arrow functions within object methods
  • Context of arrow functions when used as event handlers
  • The arguments object of arrow functions
• Default Parameters
  • Giving default value
  • Defaults evaluation at runtime
• Iterators, Iterables
  • for..in vs for..of for Array, String (applies only to iterables, key vs value being returned, all enumerable properties vs only collection properties)
  • const instead of let or var for iterator variable