Adding a Theme using JavaScript and Custom CSS
This short tutorial shows you how to apply a CSS theme to your app at the click of a button.
The CustomCSS field contains the code for the theme, and using a JavaScript action your app users can apply the theme. This could be expanded to allow them to choose a theme according to their preference.
The JavaScript code used in this video is:
Add Theme:
document.getElementsByClassName("app-navigator")[0].classList.add("theme1")
Remove Theme
document.getElementsByClassName("app-navigator")[0].classList.remove("theme1")