JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Reduce Method / 073

The video tutorial explains the reduce method in JavaScript, which transforms an array into a single value by iterating over its elements. It covers the method's implementation, including setting an initial value and updating a total variable. Examples demonstrate addition and multiplication, as well as using reduce with objects to sum specific values. The tutorial emphasizes understanding the role of the accumulator and current value in the process.

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