Control WebApp by arduino using potentiometer

control webApp (html Elements , javascript values......) in my case ! i turn arduino serial output in to Rest API and use it to change element width :)

use potentiometer that plug in arduino to change html element property value :) simple as Fuck

arduino code :

when you turn this from right to left | from 0%to 100%

for example you change this bar width :)

this is The Api :

CODE[s]