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Debugging and program decomposition

Break a small program into named parts and debug each piece with deterministic checks.

35 min6 exercisescontent 2026.08.javascript-foundations.v1

Demonstration state · Demo curriculum state: available. Presentation states are seeded demonstration data and are not authoritative learner progress.

Overview

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What debugging and decomposition changes

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Get your bearings before the details.

What debugging and decomposition changes

This lesson uses debugging and decomposition to make a small console program clearer. Read each line, predict its output, then make one deliberate change.

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What debugging and decomposition changes

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