They say becoming a front-end dev is easy…

Then, I have to show them the reality:

Beginner Level

div
button
i
b
font-size: 16px
index.html

Intermediate Level

script
img
form
iframe
$(function(){…});

Advanced Level

useEffect
center a

unit tests
responsive layouts

linting
CSS cascade
float

Expert Level

CORS
E2E tests
input validation
Hydration errors
font-size 14px safari zoom
filter views

@media print
img srcSet
pagination
NaN / undefined / null

Master Level

infinite scroll
layout shift
calendar UI
cache busting
email CSS
CSS selector perf
event loop
OAuth2
user agents
WASM
this

God Mode Difficulty

caching headers
“0 results found”
WebRTC
regex
SameSite cookie
closures
CJS / ESM
drag and drop UI
rewrite it in Rust
CSS full height on mobile
mobile dialogs
websockets
cookie banners
v8 stack traces
dates
localization
local first
rewrite it back in JavaScript
new Response(new ReadableStream(…))
microtask queue
typeof [1, 2, 3]; // ‘object’
source maps
WYSIWYG editor
Samsung browser
2023 IE support
time zones

(Beyond God Mode)

T extends [any, …any[]] ? (T extends […any[], infer _] ? 0 : 1):1

And if that’s not enough here is more 😅.

Quantum Computing Integration
WebAssembly (Wasm) Optimization
Micro Frontends Architecture
WebGPU Programming
State Machines and Statecharts (XState)
Advanced Compiler Techniques
CRDTs (Conflict-Free Replicated Data Types)
Advanced Accessibility Techniques
Neural Network Integration in Frontend
Edge Computing with Service Workers
Blockchain-Based Web Applications
Advanced Static Site Generation (SSG)
Custom Rendering Pipelines
Virtual and Augmented Reality (VR/AR) Frontend Development
Multi-Threading in JavaScript
Custom Browser Engines

These topics push the boundaries of frontend development and require a deep understanding of both frontend and backend technologies.

Still easy, you tell me?

frontend #dev #webdev #developer #software