Computed properties in vue avoids some of the $watch-spaghetti and excessive state you can get when misusing two way binding. See https://vuejs.org/v2/guide/com

Computed properties in vue avoids some of the $watch-spaghetti and excessive state you can get when misusing two way binding. See https://vuejs.org/v2/guide/computed.html#Computed-vs-Watched-Property https://vuejs.org/v2/guide/computed.html#Computed-vs-Watched... and Computed setters