>_
SWE Maxx
Questions
Quizzes
Daily challenge
System design
My attempts
Sign in
☀
☾
Light mode
Dark mode
Loading question…
Sign in
Which narrowing technique distinguishes primitive values using JavaScript's typeof operator? | SWE Maxx
← Question bank
TypeScript · Multiple Choice
Difficulty: Medium
Which narrowing technique distinguishes primitive values using JavaScript's typeof operator?
Narrowing
Control flow analysis
Choose your answer
A
Type predicate
B
Instanceof guard
C
Typeof guard
D
In-operator guard
Check answer
More in TypeScript →