CSS Custom Properties

MediumDOM ManipulationStyling ElementsPRO

Use style.setProperty to update CSS custom properties from DOM data and keep theme values centralized on the root. This exercise checks custom-property syntax and selected swatch state.

What you'll practice

Use style
SetProperty to update CSS custom properties from DOM data and keep theme values centralized on the root
This exercise checks custom-property syntax and selected swatch state

Unlock full access

Choose a plan and go straight to secure checkout.

All 600+ interactive exercises
Full course curriculum
Access to guided projects
All future content included

Secure checkout with Stripe. Cancel anytime.