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
If
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

Links

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Scott: BaseCS
Wes: Owlet Baby Monitor

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