- From: Simon Pieters via GitHub <sysbot+gh@w3.org>
- Date: Mon, 14 Aug 2017 08:30:26 +0000
- To: public-css-archive@w3.org
(Commenting here instead of creating a duplicate issue.)
https://drafts.csswg.org/cssom-view/#extension-to-the-element-interface
annevk suggests the dictionary defaults for scrollIntoView should be the same as omitting the argument and passing in `true` (which is start-nearest). Currently the dictionary defaults are instead center-center, because in https://www.w3.org/Bugs/Public/show_bug.cgi?id=17152 it was argued to be a common case so there should be a convenient way to get center-center.
Due to legacy we can't change the behavior of omitted argument or passing `true`, but I think we can still change the dictionary defaults since they are not yet interoperably implemented. I also think having the defaults match between dictionary and boolean makes for a less surprising and easier to learn API.
| Test case | EdgeHTML | Blink | Gecko | WebKit |
|-----------------------------------------|----------|-------|-------|--------|
| http://software.hixie.ch/utilities/js/live-dom-viewer/saved/5300 | top | center | top | top |
Current spec:
```
dictionary ScrollIntoViewOptions : ScrollOptions {
ScrollLogicalPosition block = "center";
ScrollLogicalPosition inline = "center";
};
```
Suggested change:
```
dictionary ScrollIntoViewOptions : ScrollOptions {
ScrollLogicalPosition block = "start";
ScrollLogicalPosition inline = "nearest";
};
```
Related: https://github.com/w3c/csswg-drafts/issues/1367
--
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Received on Monday, 14 August 2017 08:30:35 UTC