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React Tutorial
BOSS QUIZ
10 questions · 5 minutes · pass at 70% to clear the track.
05:00
Start
Q1.
For TypeScript from day one pick template…
from Get Started
react
react-ts
vue-ts
next-ts
Q2.
State updates are…
from State (useState)
Synchronous
Async + batched
Random
Skipped
Q3.
Dev server starts with…
from Get Started
npm start (always)
npm run dev
serve
node main.js
Q4.
Read URL params with…
from React Router
useUrl
useParams
useRoute
useQuery
Q5.
React data flow is…
from React Intro
Two-way binding
One-way (props down, events up)
Random
Server-driven only
Q6.
useEffect runs…
from useEffect
Before render
After render
Never
During render
Q7.
Standard router library is…
from React Router
react-routing
react-router-dom
react-pages
router-react
Q8.
A component must return…
from JSX
Many siblings
One root element (or fragment)
A string only
Nothing
Q9.
Local component state hook is…
from State (useState)
useEffect
useState
useRef
useMemo
Q10.
JSX class attribute is written as…
from JSX
class
className
classes
cssClass
Submit
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