The Fundamentals — JS

In this episode of Syntax, Scott and Wes talk about the fundamentals of JavaScript - the set of core skills you should know before branching off into other frameworks, libraries, etc.

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Show Notes

3:07 - Variables + Scoping

• var/let/const
• Block scope
• Function scope
• Scope lookup

6:06 - Types

• Objects
  • Reference vs. copy

7:15 - Functions

• Types of functions
  • Anonymous vs. named
  • Expressions
  • Arrow functions
• Methods

9:33 - DOM

• Selecting
• Updating
• Creating

15:07 - Prototypes + this

• this
• Objects

20:16 - Events

• Listening, callbacks
• dispatchEvent
• Bubbling

22:05 - Arrays

• Push, pop, manipulate
• Spread, rest
• Map, filter, reduce
• Arrays vs. objects
• Mutation vs. immutable

26:25 - Flow control

• Looping
• Promises + Async + Await

29:47 - Security and accessibility

• XSS and innerHTML

32:04 - Things you should know, but not necessarily master

• Modules
• Closures
• Ajax requests

35:26 - Clean code

• Clean Code Javascript

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