The Fundamentals — JS — Syntax Podcast 162

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

××× SIIIIICK ××× PIIIICKS ×××

Scott: BaseCS
Wes: Owlet Baby Monitor

Shameless Plugs

Scott's new E-Commerce and Gatsby Course
Wes' Courses - Use the coupon code 'Syntax' for $10 off!

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Playing: 162: The Fundamentals — JS

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Potluck × CSS Variables in React × JS Notebooks × Selling a Domain

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Stump’d × JavaScript × GraphQL × Memory Safety × Web History

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Electronics for Beginners

GitHub Projects, Milestones, Labels, and Actions

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Nothing in CSS - 0 vs 0px, no, none, hidden, initial and unset

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The New Syntax Site × Ingest, Stack, AI and more

JavaScript.exe - Standalone Executables

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Potluck × JR Devs & Copilot × CSS Variable Limitations × SvelteKit

Why Is node_modules So Big?

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Where Should You Host Your App? Hosting Providers Compared

WTF Are Signals And Why Is Everyone So Hot On Them All Of The Sudden?

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Bluesky + AT Protocol

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The Syntax Giveaway Site - Codes, Bots, Tech Stack and More!

RPC in JavaScript!

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CSS Color Functions

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Modals, Popups, Popovers, Lightboxes

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Coding with the Open AI / Chat GPT API