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TypeScript Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
TypeScript
What does strictNullChecks change about how null/undefined are treated?
A
Nothing changes
B
Without it, null/undefined are silently assignable to nearly every type; with it enabled, a type like string | null is genuinely distinct from string, and mismatches are caught
C
It only affects arrays
D
It removes null and undefined from the language entirely
Check Answer