[aft42]

>No shadow DOM support detected.

>The documentation client needs shadow DOM to render the examples. Please use a browser that supports shadow DOM to view this.

On Firefox 45.0.1

There is an option to try a polyfil version, which seems to be working.

[vanthome]

FF will support Shadow DOM in the future. Also it's only used for the documentation.

[bobwaycott]

Same on mobile Safari.