This code works in Chrome. How can I make it work in FF as well.
function openWin(ID) { // open workshop ID in another window
var URL = '/chatroom.php?ID='+ID;
var name = 'Chat'+ID; // so if you open it twice it reopens the window.
var win = window.open(,name); // no URL - won't refresh
if (win.location == "about:blank") { // new open
win.location.href = URL;
}
win.focus();
}
This code is called on a "javascript link". The first call is to open the new window and switch to it. Any subsequent call is to reopen the window WITHOUT REFRESHING and switch to it.
As mentioned. The code works perfectly in Chrome. In Firefax 23.01 the focus call is ignored, leaving the background window or tab in the background.
For what its worth, it does the same in IE 10 either, but IE is a lost cause.
All Replies (7)
Hi,
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By default, scripts in pages are not allowed to change the window focus. The internal preference for this is named dom.disable_window_flip. Users can manually enable this capability for scripts (see: https://support.mozilla.org/en-US/que.../967108#answer-464407), but I suspect that few will do so.
You might not have noticed this before because you might have changed this preference a long time ago using the Advanced JavaScript settings dialog. When Firefox 23 removed that dialog, I think the settings in that dialog were reset to their default values.
What is the value of the dom.disable_window_flip pref on the about:config page?
dom.disable_window_flip has the default value of true.
Changing it to false does not alter the behavior of the routine.
Modified by hobson42
I tested using a bookmarklet: *
javascript:var winTest = window.open("", "winTest1", "width=800,height=600"); winTest.focus(); if(winTest.location.href == "about:blank") winTest.location.href = "http://support.mozilla.org/"; void 0;
Note that I've switched the order of the statements so that winTest.focus() precedes accessing the location object.
When I am viewing a page on this site, the window opens as expected. If I switch focus back to my original window and run the bookmarklet again:
- with dom.disable_window_flip set to its default value of true,
the focus does not changecorrection: this does seem to work - with dom.disable_window_flip set to false, the focus does change
If I try the same bookmarklet from another site, I get a permission error (cross-domain violation) in the Browser Console (Ctrl+Shift+j) attempting to check the current href on the second run. This halted the script before it could change focus. That's why I switched the sequence of statements.
Can you replicate that?
* To create a bookmarklet, display the Bookmarks Toolbar, then copy the above string of code. Right-click the Bookmarks Toolbar, choose New Bookmark, paste the code into the Location box and choose any name you like.
Modified by jscher2000 - Support Volunteer
My results are the same - it works whatever the value of dom.disable_window_flip is.
The first click, opens the window and loads it, and the pop-up becomes the front window.
The second click (on the back window) finds the pop-up, brings it to the front, and it does not refresh.
I modified the code in my function, and it still appears to ignore the focus() whatever the value of dom.disable_window_flip
BTW - my users can't or would be reluctant to change their configs, so I really need a solution that works with the default.
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