Falsy Zero Numeric Check

EASY

+100 XP REWARD ⏱ Limit: 5m

// MISSION BRIEFING //

ANOMALY DESCRIPTION

A sensor calibration function checks if a value was provided using a truthy test. However, zero is a valid calibration point and gets rejected! Fix the guard to allow 0 as a valid number.

SPECIFICATION SUITE

Default on null

Input: null

Expected: 100

Explicit zero value

Expected: 0

Positive integer [PROTECTED TEST]

Evaluation logic hidden to prevent hardcoding.

RADAR HINTS

Hint #1 (Click to decrypt)

Check value against null or undefined instead of using the ! operator.

solution.js UTF-8 • JAVASCRIPT

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