![]() In this particular example, we want to add the current amount to the total.When the loop starts the total value is the number on the far left (29.76) and the current amount is the one next to it (41.85).The reduce method cycles through each number in the array much like it would in a for-loop. ![]() In this example, Reduce accepts two parameters, the total and the current amount.const euros = Ĭonst sum = euros.reduce((total, amount) => total + amount) Use it when: You have an array of amounts and you want to add them all up. Let’s explore how it works, when you should use it, and some of the cool things it can do. JavaScript’s reduce method is one of the cornerstones of functional programming. By Josh Pitzalis How JavaScript’s Reduce method works, when to use it, and some of the cool things it can do Image credit to Karthik Srinivas.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |