JavaScript 2025 · Arrays
Combine items into one value
Add up a property across an array. The second argument is the starting value.
const total = items.reduce((sum, item) => sum + item.price, 0);
Official JavaScript 2025 documentation
JavaScript 2025 · Arrays
Add up a property across an array. The second argument is the starting value.
const total = items.reduce((sum, item) => sum + item.price, 0);
Official JavaScript 2025 documentation
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