JavaScript Arrays 101

Your first real data structure — and the one you'll use more than any other. Let me paint a picture. You're building a to-do app. You've got 5 tasks. So you do the "logical" thing: let task1 = " Buy groceries " ; let task2 = " Finish homework " ; let task3 = " Call mom " ; let task4 = " Go to gym " ; let task5 = " Read a chapter " ; Five variables for five tasks. Now imagine you have 50 tasks. Or 500. Are you going to create 500 separate variables? Obviously not. That's insane. And even with jus