1327868 - Mouse text selection is broken in input fields with [onfocus='this.select()']

Status: UNCONFIRMED

(Core :: Layout: Form Controls, defect, P4)

Description

[arni2033]

>>>   My Info:   Win7_64, Nightly 49, 32bit, ID 20160526082509
STR_1:
1. Open http://ssyoutube.com/watch?v=mD3v1B_aXw0
2. Hover mouse over the input field with url (on the page), hold left mouse button
3. Move mouse to the left and right

AR:  Mouse selects text, but not in a usual way: selection starts from the beginning
ER:  Either X or Y
 X) Mouse should drag selected text like GoogleChrome
 Y) Mouse should select text in a normal way (between mousedown and mouseup)


STR_2:
1. Open [1]
2. Hover mouse over the input field with url (on the page), hold left mouse button
3. Move mouse to the left and right


STR_3:
1. Open url   data:text/html,<input value="asdfasdf" onfocus="this.select();return false">
2. Hover mouse over the input field with text (on the page), hold left mouse button
3. Move mouse to the left and right


> [1] https://web.archive.org/web/*/https://rg.ru/2016/08/30/glava-mid-frg-oproverg-zaiavlenie-belogo-doma.html?ref=ria.ru

Comment 1

[Mats Palmgren (inactive)]

Fwiw, using onmousedown instead can be used as workaround that works in both Firefox/Chrome:
data:text/html,<input value="asdfasdf" onmousedown="this.select()">

Comment 2

[Jonathan Watt [:jwatt]]

Mass bug change to replace various 'parity' whiteboard flags with the new canonical keywords. (See bug 1443764 comment 13.)