Yes. I couldn’t find a publicly available documentation for it. We need to figure out whether there is any compatibility concerns for making them (anchor/focus and base/extent) behave the same if we’re to remove it in WebKit.
- R. Niwa On Aug 6, 2014, at 12:58 PM, Ben Peters <ben.pet...@microsoft.com> wrote: > I don’t understand the difference. setBaseAndExtent would then set all 4 of > these properties of selection? Do you have a definition to use for this? > > From: Ryosuke Niwa [mailto:rn...@apple.com] > Sent: Wednesday, August 6, 2014 12:43 PM > To: James M. Greene > Cc: Ben Peters; public-webapps > Subject: Re: [selection] Selection.setBaseAndExtent > > Focus and anchor are different concepts from base and extent. While the > former always coincide with start and end, base and extent may be different > from those two. > > In particular, when a user selects text by double clicking on a word, base > and extent stays at where the user had clicked while focus and anchor will > extend to the beginning and the end of the word like start and end. > > - R. Niwa > > On Aug 5, 2014, at 4:58 PM, James M. Greene <james.m.gre...@gmail.com> wrote: > > For consistent terminology with the rest of the API, shouldn't it be > `setAnchorAndFocus`? > > Sincerely, > James Greene > Sent from my [smart?]phone > > On Aug 5, 2014 5:54 PM, "Ben Peters" <ben.pet...@microsoft.com> wrote: > I have added proposed text to this bug. Any objections to this? > > Proposed text, based on the text for collapse(): > > void setBaseAndExtent (Node baseNode, unsigned long baseOffset, Node > extentNode, unsigned long extentOffset); > > The method must throw an IndexSizeError exception if offset is negative or > longer than node's length ([DOM4]). Otherwise, it must create a new range, > set ([DOM4]) its start to (baseNode, baseOffset) and its and end to > (extentNode, extentOffset), and set the context object's range to the > newly-created range. > > From: Ben Peters > Sent: Tuesday, May 20, 2014 11:37 AM > To: Ben Peters; Ryosuke Niwa; public-webapps@w3.org > Subject: RE: [selection] Selection.setBaseAndExtent > > I have filed a bug to track this issue [1]. > > Ben > > [1] https://www.w3.org/Bugs/Public/show_bug.cgi?id=25831 > > > From: Ben Peters [mailto:ben.pet...@microsoft.com] > Sent: Monday, May 5, 2014 11:28 PM > To: Ryosuke Niwa; public-webapps@w3.org > Subject: [selection] Selection.setBaseAndExtent > > I noticed that some websites use selection.setBaseAndExtent [1]. According to > what limited documentation I could find, it works similar to > selection.extend. Is there any intention to standardize this, or is it made > obsolete by selection.extend? > > Ben > > [1] > http://stackoverflow.com/questions/985272/jquery-selecting-text-in-an-element-akin-to-highlighting-with-your-mouse
