Public bug reported:
Binary package hint: firefox
First, see attached screenshot. Here is a textual description of it.
The "Warning: Unresponsive script" dialog has two buttons: "Continue"
and "Stop script". The Continue button's icon is a red X. The "Stop
script" button's icon is a green Enter-like arrow. The text above the
buttons reads: "A script on this page may be busy, or it may have
stopped responding. You can stop the script now, or you can continue to
see if the script will complete."
Those who use slower computers are likely to see this dialog more often,
because the performance of some scripts is not optimized by the
developers who test only on faster machines.
Problems
1. When using a web application, stopping a script prematurely can lead
to losing your work. If the web application implements its functionality
using scripting and is not designed very carefully, terminating its
script at an unfortunate point will destroy the user's data that it was
processing. If the data hasn't been saved on the server, the user loses
her work, because execution of the offending script cannot be resumed
later from the same point.
The dialog doesn't explain that to the users, most of whom don't
associate stopping a web page "script" with potentially losing their
work. One way to fix that is to add a bold warning telling the user
about the possibility of losing her work (if any) at that particular web
page.
2. The red X icon for the Continue button is highly counter-intuitive. A
red X means "close", "delete", "stop", almost the opposite of
"continue". The green Enter-like arrow of the "Stop script" button, on
the contrary, looks like "Continue", especially because of it color.
Thus the user might easily click the wrong button and possibly lose her
work in a web application.
To fix this, I suggest using the red X for the "Stop script" button and
using some green icon for the Continue button. Enter-like arrow,
however, is a poor choice for "Continue", because it is associated with
submitting information and approval of some obvious action ("OK",
"Yes"), and can be confusing when the task is to choose whether to stop
or continue something.
I'm using Firefox 2.0.0.5+1-0ubuntu1 from 7.04 Feisty.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
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Unresponsive script dialog usability problems
https://bugs.launchpad.net/bugs/127960
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