In ARIA 1.1 aria-haspopup can have a number of values true/false/dialog/listbox/menu/tree these are expressed in Ia2 for dialog/listbox/menu/tree via object attribute properties: current implementation: exposes haspopup state for all non false values, but does not have object attribute property for dialog/listbox/menu/tree. * http://w3c.github.io/aria/core-aam/core-aam.html#ariaHaspopupDialog * http://w3c.github.io/aria/core-aam/core-aam.html#ariaHaspopupListbox * http://w3c.github.io/aria/core-aam/core-aam.html#ariaHaspopupMenu * http://w3c.github.io/aria/core-aam/core-aam.html#ariaHaspopupTree test cases https://s.codepen.io/stevef/debug/EvMrqo

chrome is implementing https://bugs.chromium.org/p/chromium/issues/detail?id=740137&can=2&start=0&num=100&q=haspopup&colspec=ID%20Pri%20M%20Stars%20ReleaseBlock%20Component%20Status%20Owner%20Summary%20OS%20Modified&groupby=&sort=&hotlist_id=

I'm taking this.

Comment on attachment 8904540 [details] Bug 1396626 - Expose aria-haspopup tokens dialog, listbox, menu and tree as object attributes. https://reviewboard.mozilla.org/r/176372/#review181406 looks good

Pushed by mzehe@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/ef6cf161ece3 Expose aria-haspopup tokens dialog, listbox, menu and tree as object attributes. r=surkov