Javascript：我这样做是否尽可能高效？

This is my first post, im new to coding, and this is my first little project using objects. I need some expert eyes to tell me if im doing this the long way, or if this is actually the fastest way to accomplish my goal. I simply wanted to make a button that when pressed would display information to a list in the HTML:This is my first post, im new to coding, and th