Re: [whatwg/dom] Add OpaqueRange interface (PR #1404)

@stephanieyzhang commented on this pull request.



> @@ -9981,6 +9988,61 @@ and {{Range/getBoundingClientRect()}} methods are defined in other specification
 [[CSSOM-VIEW]]
 
 
+<h3 id=interface-opaquerange>Interface {{OpaqueRange}}</h3>
+
+<pre class=idl>
+[Exposed=Window]
+interface OpaqueRange : AbstractRange {
+  DOMRectList getClientRects();
+  DOMRect getBoundingClientRect();
+};

The offsets are readonly since they're inherited from AbstractRange. Currently the [HTML PR](https://github.com/whatwg/html/pull/11741) defines `getValueRange(start, end)` on the element for creation. We haven't yet added an API for updating, so that's an open question. Some options could be an element-side API (e.g. `updateValueRange(range, start, end))` to keep OpaqueRange generic, or setters directly on OpaqueRange.

Would appreciate your thoughts @annevk @smaug---- 

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Received on Thursday, 12 February 2026 07:56:23 UTC