
FER202-lazy-loading
Authored by Ngô Giang Thanh (FE FPTU DN)
Computers
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does code splitting help with?
Faster coding
Smaller bundles
Bigger apps
Debugging
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which React API enables code splitting?
useEffect
createContext
React.lazy
useReducer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must wrap a lazy component?
Provider
Suspense
Ref
useMemo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required inside ?
Fallback UI
Router
Script tag
Meta tag
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Suspense do?
Logs errors
Displays fallback
Loads HTML
Updates props
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during lazy loading?
Code loads upfront
CSS is deleted
Component loads on demand
Event listeners removed
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used with React.lazy?
async()
import()
require()
use()
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