Paths/Frontend Engineer/How the Browser Works / Storage & Caching
Pick the Right Storage API
Four storage APIs, four different jobs. Write the decision for your application.
Validator
⏱ 0:00
IDLE — checks run live as you type commands; submit when done
01Requirements
live checks- Directory ~/app exists○
- File ~/app/storage.md exists○
- The document compares the storage APIs○
- The document states what must never be stored client side○
02Walkthrough
1 of 4 revealed- 01
Create the app directory
The decision notes live with the rest of the application material.
mkdir -p ~/app - 3 locked · each failed submit reveals one
03Stuck?
0 of 3 revealedTake a hint without losing the lab — each one points at the thing to look at, not at the answer.
04AI Tutor
guides, never solvesTell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?
04Notebook
saved locally in this browserlearner@lab — ubuntu:24.04
Session is disposable
↑/↓ recalls commands · Ctrl+Enter submits · type help for the command list