demo · v150
Multiple Mirrors
This select contains four real <selectedcontent> descendants: the normal button mirror plus three additional mirrors inside the same <select>. Chrome 150 keeps every descendant mirror up to date.
Checking selectedcontent multi-mirror support…
waiting…
see also
- Clone into all descendant selectedcontent — feature index
- Mutation Timing — deferred clone safety
- ChromeStatus entry
- HTML Standard: selectedcontent
implementation reference
Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗