Modern JavaScript from the Beginning - Second Edition - Array.reduce Method

The video tutorial introduces the JavaScript reduce method, explaining its purpose in reducing arrays to a single value. It provides examples, including summing numbers and calculating a shopping cart total. The tutorial also compares reduce with a for loop, highlighting different approaches to achieve similar results. The video concludes with a brief mention of future topics like DOM manipulation.

In the context of the reduce method, what is the difference between the previous value and the current value?

What happens if you do not provide an initial value to the reduce method?

How does the reduce method handle arrays of objects, such as a shopping cart?