Web Reference: Due to all the downsides of adding a function to the Array prototype, I am updating this answer to provide an alternative that keeps the syntax similar to the syntax originally requested in the question. See full list on bobbyhadz.com Mar 11, 2025 · This tutorial demonstrates how to sum an array of objects in JavaScript using various methods, including reduce, forEach, and for...of loops. Learn the best practices for efficiently handling data and summing properties like amounts in your JavaScript projects.
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