How to Get All Custom Properties on a Page in JavaScript | CSS-Tricks
We can use JavaScript to get the value of a CSS custom property. Robin wrote up a detailed explanation about this in Get a CSS Custom Property Value with
Getting JavaScript to Talk to CSS and Sass | CSS-Tricks
JavaScript and CSS have lived beside one another for upwards of 20 years. And yet it’s been remarkably tough to share data between them. There have been
Using CSS Custom attributes generated by JavaScript as a handover mechanism | Christian Heilmann