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Blocks in JS

Blocks look simple — { } — but do you know exactly what they scope, what escapes them, and the classic block-vs-object-literal parsing trap?

6 questions · 15 minutes

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Blocks in JS

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Blocks look simple — { } — but do you know exactly what they scope, what escapes them, and the classic block-vs-object-literal parsing trap?

6Questions
15 minTime limit
60%Passing score
Unlimited — latest score keptAttempts
Randomized optionsOne at a time