Shadow roots, explained with live examples

Tool Shadow roots, explained with live examples — Learn about shadow DOM through interactive examples that demonstrate style encapsulation, inheritance, slots, parts, and JavaScript access. Explore how shadow roots create isolated DOM trees with private stylesheets and elements that interact with…

Tool Shadow roots, explained with live examples — Learn about shadow DOM through interactive examples that demonstrate style encapsulation, inheritance, slots, parts, and JavaScript access. Explore how shadow roots create isolated DOM trees with private stylesheets and elements that interact with the page DOM in specific, controlled ways.

Source: Simon Willison — Published September 23, 2026 at 16:37 UTC — Category: Tools