Can have 2 or 3 windows vertical displayd in the editor and undeneath to have another live previw window.
Where you can view immediatelly any changes takings places in HTML,CSS,JS files?
Like this site where you can write in diffrent file windows and have live view automatically of changes taking places.
https://codepen.io/bloqhead/pen/VNpGbd
Thank You
Stavros Sofroniadis