I have a web application, and I want to disable the Back button.
I read and found that I can open the browser without the navigation controls with the function window.open(...).
This is the code:
window.open (mywebappURL,"mywindow","status=1,toolbar=0");
I tried to put it in my Main.Master page, but I get an infinite loop and the new window is opened as a popup window of my application.
Does anyone knows where should I put this code to get my web application opened in a browser without navigation buttons?
Thanks,
Inbal.
try this on the link's onclick() event
function openPopup(){
var pathname = (window.location.pathname);
window.open(pathname+'somePopup.html','','width=800,height=450,resizable=yes,dependent,screenx=80,screeny=80,left=80,top=20,scrollbars=no');
return false;
}
and in the html
click me
To answer your question directly, make sure the window you're opening is a different URL than the window that's initially visited. So your visitor might arrive at www.example.com/index.html which then opens www.example.com/popup.html
If you open index.html again, the new copy will immediately open a popup, which will immediately open a popup, and there's your infinite loop.
However, as several people have commented already, this is generally discouraged. Among other disadvantages to this approach, popup blockers will likely interpret this as trying to launch a popup advertisement, forcing your visitors to recognize what's happened and change their settings.
Related
I have a page with a few links.
Each link opens in a new tab.
The next time I click a given link, I want it to recall the same tab where it was previously opened.
Is it possible? How?
All pages come from the same domain.
I've seen this answer:
Check if my website is open in another tab
It seems possible to store the URIs in localStorage, for repetitions detection.
I think this technique will allow me to detect repetitions, but I can't figure out how to aim at the specific tab (activate it, bring it to the front).
I don't control the server, need to implement it in the client (via Tampermonkey).
For the curious, I work a lot with BitBucket issues.
The page with the links is the issues listing, the other pages are the individual issues.
I want to be protected from opening the same issue twice, update both versions, and have a data loss.
Additionally, each page can have two different URIs, one for viewing and the other for editing. But I think I can solve it with JS.
Recalling a Browser Tab by Name
You can first specify a name for each tab you create, by using window.open():
let newWindow = window.open(newUrl, newWindowName);
or by using target attribute in an anchor tag:
Make New Window
If you then call window.open with the name of an existing tab, that will use the existing tab. If the window by that name doesn't exist, window.open will create a new window (or tab).
MDN web docs page for Window.open
Bringing Window to the Front
Using window.open() alone may not be enough to bring the window to the front. That may be possible with a different function, window.focus(), which issues a request to bring the window to the front. Combining the two:
window.open(myUrl, myWindowName).focus();
Caution: A browser's user preference setting may still prevent focus() from bringing the window to the front, so this is not guaranteed to work. From MDN web docs:
It may fail due to user settings and the window isn't guaranteed to be frontmost before this method returns.
You can get the previous page's URL with the following:
let prevURL = document.referrer;
You can get the URLs from all open tabs with the windows.getAll() function.
From this answer - You cannot programmatically focus the browser to a specific tab due to security concerns. Consider updating the title to notify the user with document.title = {{new title}}
I'm trying to create a Chrome extension that features a browser action and a popup. I need to refresh the content I serve in the popup every time the user opens it, but since the on clicked event will not fire if a popup is assigned to the browser action, I don't know how to trigger the logic to refresh the content.
I'm trying to do this in the background page, but I understand that that might not be the best way. Does anybody have an idea of how to approach this?
Thanks for any help.
The popup is created from scratch every time the user opens it, so any javascript file you include using a <script> tag will be executed. You can include any logic you need there.
I have a Chrome extension that does word substitutions on pages. Currently I have a popup that opens when I click on a browser action which lets the user control whether or not to perform the substitutions. I also have a background script running that sends a message to content scripts when a page refresh happens using a chrome.tabs.onUpdated event handler.
My problem is that when I refresh the page no substitutions are made unless the popup is open (which is only possible when I have the inspect elements panel open on the popup, because otherwise the popup closes when I refresh).
Has anybody had experience with this behavior before? What additional instrumentation should I add to diagnose the problem? Is there a different extension architecture/code arrangement I should be using?
Thanks in advance!
If you use localStorage on a given page you can probably store whether or not to substitute words. I think refreshing a page is similar to opening a new tab, so your script gets reinjected/reloaded rather than staying open and receiving an onupdate message.
Most resources suggest using onclick handler with trackEvent() for tracking outgoing links. BUT this way does not work with all navigation methods! It won’t work if you click with middle button (except Chrome) or control-click (except Chrome and FF) to open new tab, if you right-click and select new tab or window from context menu or if you drag link to another tab. Is such cases onclick is simply not called. You can check it with very simple link:
GO
Putting JavaScript in href attribute breaks the link in all cases when new tab or window is opened.
Putting onclick in span that looks like a link, will not allow users to decide if they want to open in new tab or not.
Finally, going through a redirect page, which tracks outgoing event, causes problems with back navigation – when users try to go back, they get back to the redirect page and then JS again redirects to the destination page. They need to click back twice … quickly.
Is there a better way, which would be both accurate and user friendly?
Context menu can't be detected by using JS. So if you want to catch that you need to use the redirect method. To fix the back button problem, redirect using location.replace to remove the tracking page from the back-button history.
I don't know any details about Google Analytics. In general, to track users' external navigation:
<a ping> is made for this purpose. If ping is not available, fall back to changing the links to go through a redirect page. Use a 302 redirect to prevent it from showing up in history; if you can't, try javascript:window.location.replace().
I have this link in my left navigation:
dashboard
That javascript opens a link based on the passed parameters.
All works fine, but I would like to be able to use the browser capabilities of opening the links in a tab (when user is using middle click or selects 'Open link in new tag' from right click menu). Though, this is not working for links handled with javascript code.
There are many reasons why this is not the default behaviour of the browser (e.g. javascript function might only do some validation and stay in the page ... browser can't know what the js might do or if a new window/dialog will result from that action so would make no sense to open new tag as a result of a middle click ...). But hopefully there is a workaround for the default behaviour.
Any idea how this could be done?
Cheers,
Stef.
Javascript links execute in context of the page where they are called. If you "open" the link in a new tab/window, the javascript code will be executed in the new window, i.e., empty, and will most probably fail.
A browser could try to add the feature you are asking for by cloning the page which contains the link, and executing the javascript code in the context of the cloned page. But this would most likely break some critical sites (imagine for example that your online banking site works with javascript, so when you open a link in a new tab/window, cloning the original window might lead to a duplicate transaction).