Reducer Sum
Write a function sumCloudAltitudes(clouds) that takes an array of cloud objects { name: string, altitude: number } and returns the sum of all their altitudes using the .reduce() method. If the array is empty, return 0.
Examples
sumCloudAltitudes([{ name: "cumulus", altitude: 3000 }, { name: "cirrus", altitude: 6000 }])
→ 9000
sumCloudAltitudes([])
→ 0
solution.js
JAVASCRIPT
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Tests
0 of 3 passing- •sum multiple heightssumCloudAltitudes([{ name: "cumulus", altitude: 3000 }, { name: "cirrus", altitude: 6000 }])expected 9000
- •empty array → 0sumCloudAltitudes([])expected 0
- •one cloudsumCloudAltitudes([{ name: "fog", altitude: 150 }])expected 150
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