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Primitive vs Non-Primitive in JS

Test whether you understand the split that trips up most beginners — copy-by-value vs. copy-by-reference, and why {} === {} is false.

7 questions · 18 minutes

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Primitive vs Non-Primitive in JS

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Test whether you understand the split that trips up most beginners — copy-by-value vs. copy-by-reference, and why {} === {} is false.

7Questions
18 minTime limit
60%Passing score
Unlimited — latest score keptAttempts
Randomized optionsOne at a time