Last modified: 2014-11-19 19:51:06 UTC
Steps to reproduce: 1. Open a page in Firefox (v. 32.0.3 on Mac 10.8.5) that contains several refs in a row: [1][2][3][4]. 2. Decide that refs 1, 2, and 3 are inappropriate. Place cursor between refs 3 and 4. 3. Press shift + back arrow to start selecting the refs. Results: Press shift + left arrow once: [3] is highlighted. Press it again (i.e., to extend the selection to include [2]): [3] is no longer highlighted. Press it again: [3] is highlighted again. Repeat cycle of select-deselect as long as you would like. Workaround: Place cursor before ref [1], and select the three refs by pressing shift + forward arrow. I cannot reproduce this in Safari 6.1.2. I haven't tested it in a LTR (left-to-right) language.
Confirmed in FF test2: cannot select a group of reference with Shift+left arrow(highlighting nackward) - NS_ERROR_FAILURE is displayed. This is perfectly functioning in Chrome - a group of references can be selected with Shift+right arrow and back wards.
Change 170697 had a related patch set uploaded by Esanders: Catch backwards selection error in Firefox https://gerrit.wikimedia.org/r/170697
Change 170697 merged by jenkins-bot: Catch backwards selection error in Firefox https://gerrit.wikimedia.org/r/170697
The fix is confirmed in test2 and betalabs.
Verified the fix in production(in FF) - backward selection(highlighting) works smoothly and no js errors are displayed.
