I am opening a new window on clicking a hyper link.
Issue:
After minimizing the window, again if I click on hyper link, the same window should be opened(In chrome minimized window will open up). But this is not happening in firefox and IE. Can anyone please help.
<html>
<head></head>
<body>
<p>Visit our HTML tutorial</p>
</body>
</html>
window.open allows you to specify a unique identifier to your popup; this allows you to open many links always in the same popup window.
If you use different identifiers on different links, it should open multiple popup windows.
<p>
Visit our HTML tutorial
</p>
<p>
Visit our HTML tutorial
</p>
If the strWindowFeatures parameter is used and no size features are defined, then the new window dimensions will be the same as the dimensions of the most recently rendered window.
you might want to check this link
window.open web api for mozilla
The idea of Unique ID in the parameter's list simply doesn't work as suggested in another answer.
You need a function for to do what you need in IE and FF. The trick is to get a function to see if it has opened a window before and do nothing if it has.
<script>
var opened = false;
function openWindow(){
if (!opened) {
w = window.open('', 'test', 'width=1500, height=900');
w.location = "http://www.google.com";;
w.onload = function() {
w.onunload = function() {
opened = false;
};
};
opened = true;
}
}
</script>
I'm using the opened global variable to track this. We set the newly created window to set false to this variable when it closes. Now the function can decide if it should really open a new window. Please note the following points:
We use onLoad function of the new window to set onUnload. Because IE seems to replace whatever the event handlers set here soon after it loads the page.
You can see that we first open a blank window and then set the url of it. This is because IE returns nothing when opening a new window if it is from another domain.
Related
Im trying to open multiple pop ups at the same time. I tried using loops, but it didnt work.I don't understand why this doesn't work. Is there a better way to do this? My code:
js:
function myFunction() {
for (var i = 0; i < 5; i++) {
window.open("", "MsgWindow", "width=400, height=200");
}
}
html:
<button onclick="myFunction()">Try</button>
The second argument to window.open() must be unique for it to open a new window or must be set to "_blank".
From the MDN page for window.open():
var windowObjectReference = window.open(strUrl, strWindowName, [strWindowFeatures]);
If a window with the name strWindowName already exists, then strUrl is
loaded into the existing window. In this case the return value of the
method is the existing window and strWindowFeatures is ignored.
Providing an empty string for strUrl is a way to get a reference to an
open window by its name without changing the window's location. To
open a new window on every call of window.open(), use the special
value "_blank" for strWindowName.
Note: most browsers these days have popup blockers built in. Those popup blockers will generally allow one new window to be opened when it is the direct result of a mouse click, but they may impose limits if the code is trying to open lots of windows. This popup blocker behavior is not per some specification so it likely varies in detailed implementation from browser to browser.
Is it possible to refresh a page from another page using Javascript or JQuery without opening the same page in a new tab.
JS:
var newtab = window.open('http://localhost:8081/app/home');
newtab.document.location.reload(true);
I tried the above, but here, it will open a new tab, with the same page, which is already opened in the browser.
Please suggest a method.
I got the idea from a previous Question , here they used window Object Reference to reload the popup window, but for me it wont work, because, the parent window and child window runs in 2 different ports. So using the same trick, what i did is :
HTML:
<a onclick="openNewTab()">app2</a>
<a onclick="refreshExistingTab()">Refresh</a>
JS:
<script>
var childWindow = "";
var newTabUrl="http://localhost:8081/app/home";
function openNewTab(){
childWindow = window.open(newTabUrl);
}
function refreshExistingTab(){
childWindow.location.href=newTabUrl;
}
</script>
refreshExistingTab() this instend of refreshExistingTab
take a look at https://developer.mozilla.org/en-US/docs/Web/API/Window.open
basically if you do window.open and specify a window name it will overwrite that window with the url you provided.
so if you open the page each time with same window name, it should overwrite it each time you do it again from that other page.
I have been facing a problem.I am able to open a window using window.open method.If I specify the height and width of the window,it opens as a pop up window.If no parameters is given for height or width,then it opens in a new tab.
Is there any property through which I can determine window opened was a pop up or a new tab?
Thank you
Malcolm X
Edit: I have been looking into this a little further.
Seems like there is no different "type" on these windows, simply different options.
A way I found to check if it was a tab or window is to check window.menubar.visible.
For the tab, which is a full and normal window it is true, and for the pop-up the menu is hidden and therefore false. Same applies to window.toolbar.visible.
Works in FF and Chrome at least. Unfortunately not in IE. (Testing done in IE8, which is the version I have installed. For testing of course..)
Example:
if(window.menubar.visible) {
//Tab
} else {
//"Child" Window
}
Found this thread: Internet Explorer 8 JS Error: 'window.toolbar.visible' is null or not an object
If you specify width and height, it means that you also have to specify the name parameter. This can be used in the same way target in an a tag is used, and defaults to _blank.
If you do not specify width and height I assume you also don't specify name and therefore it is opened with name=_blank, which means a new Tab.
If you specify width and height, are you setting a custom name? Doing so results in a child window. If you specify a name, or empty string as name, I suggest you try name:_blank if you want it to be a new tab.
If the window was opened with a name, you can always the window.parent from the child window. If you open with _blank I am not sure if you can get the window.parent
w3schools Window Open
I'm not quite sure what you mean in your question but from what I understand, you might want to use the HTML target attribute:
_blank Opens the linked document in a new window or tab
_self Opens the linked document in the same frame as it was clicked (this is default)
_parent Opens the linked document in the parent frame
_top Opens the linked document in the full body of the window
framename Opens the linked document in a named frame
Source: http://www.w3schools.com/tags/att_a_target.asp
You can detect that using onblur, by checking whether the focus is missed or not
<html>
<head>
<script>
function newTab() {
document.getElementById("demo").innerHTML = "New tab opened!<br><br>refesh this page to recheck ";
}
window.onblur = newTab;
</script>
</head>
<body>
<div id="demo">
Open a new tab and then check this page
</div>
</body>
</html>
If I open a window using
window.open('myurl.html', 'windowname', 'width=100,height=100');
How do I refer to the new window (from the same page that opened it) using 'windowname'? This question is specifically about this. I'm aware that I could save a reference to the handle by using "var mywin = window.open(...)" but I don't care about that in this situation.
Thanks, - Dave
In firefox (might work in other browsers too, but now it's not my concern) I was able to reference one window accross multiple page loads with
var w = window.open("", "nameofwindow");
This opens new window if it doesn't exist and return reference to existing window if it does exist without changing contents of the window.
With jQuery I was then able to append new content, to make quick collection of interresting links like this
$('body', w.document).append(link_tag);
If you didn't save a reference to the window then there is no way to restore it. However, if that window is still open and if the page loaded there belongs to the same domain as your page, you can run JavaScript code in it:
window.open("javascript:doSomething()", "windowname");
Whether that's sufficient in your scenario depends on what you are trying to achieve.
Petr is correct:
var w = window.open("", "nameofwindow");
works in all browsers, I am using it to retrieve the reference to the window object previously opened by a different page. The only problem is the initial opening of the page, if the popup does not exist, you will get a new window with a blank page.
I tried invoking a Javascript function inside the context of the other document in order to check whether I opened a new window or retrieved the already active page. If the check fails, I just invoke window.open again to actually load my popup content:
var w = window.open("http://mydomain.com/myPopup", "nameofwindow");
Hope that helps.
It is not possible. The windowName is just to be used in target="..." of links/forms or to use the same name again in another window.open call to open a new url in that window.
Try open that window with the name, but URL is '' again, to check if it's a blank window or not. If it's in open, then you will get the window; if not, a new window open, and you need close it.
Add the children in localStorage will help to prevent to open the new blank window.
Please check my code in https://github.com/goldentom66/ParentChildWindow
Sorry I am posting late, but if you still have the other window open, and they are on the same domain, you can run, on the first window:
function getReference(w) {
console.log('Hello from', w);
}
And on the second window:
window.opener.getReference(window);
afaik there's no way like windows['windowname'].
The 'windowname' assigned in window.open() can be addressed as a target in <a target="windowname" [...] >
I have a window I'm opening with a Javascript function:
function newwindow()
{
window.open('link.html','','width=,height=,resizable=no');
}
I need it that once the new window opens that the focus returns to the original window.
How can I do that?
And where do I put the code - in the new window, or the old one?
Thanks!
This is known as a 'pop-under' (and is generally frowned upon... but I digress).. It should give you plenty to google about
You probably want to do something like:
var popup = window.open(...);
popup.blur();
window.focus();
Which should set the focus back to the original window (untested - pinched from google). Some browsers might block this technique.
After calling window.open, you may try to use
window.resizeTo(0,0);
window.moveTo(0,window.screen.availHeight+10);
this way can not really open window in background, but works in similar way. Chrome works fine, did not try other browser.
If Albert's solution doesn't work for you and you actually want the window visible, but to be opened behind the current window, you can try opening a new tab in the opener window and closing it right away, this will bring the focus back to the opener window.
window.open('link.html','','width=,height=,resizable=no');
window.open().close();
However, I believe whether the second window opens in a tab or a new window depends on your browser settings.
Please don't use "pop-unders" for evil.
You can use either
"blur" or
"focus" to do that required action.
"blur"
function newwindow()
{
var myChild= window.open('link.html','','width=,height=,resizable=no');
myChild.blur();
}
"focus"
function newwindow()
{
window.open('link.html','','width=,height=,resizable=no');
window.focus();
}
Put the code in your parentWindow (i.e. the window in which you are now)
Both will work.
tl;dr - in 2022 - ctrl/cmd clicking on a button and window.open(url, "_blank") in a javascript button handler's for loop will open multiple tabs in the background in Chrome.
I'm looking for this as of 2022 and none of the answers here worked (here and everywhere else I looked). My use case is clicking a button in a (progressive) web app which opens deep links to items in a list in background tabs (i.e. not "for evil").
It never occurred to me that ctrl/cmd + clicking on the button would open tabs in the background, but it does just as if the user clicked on an anchor tag itself directly - but only in Chrome. Combined with Chrome's relatively recent tab grouping feature, this can be very useful inside PWAs.
const isMozilla =
window?.navigator?.userAgent?.toString().toLowerCase().includes('firefox') ?? false;
for (let index = 0; index < urls.length; index++) {
const url = isMozilla ? urls.reverse()[index] : urls[index];
window.open(url, "_blank");
}
Note: I reverse() the array on Mozilla to get the order of newly created tabs as the user would expect them.
You can just use '_self'. It will be stay to the same page an
window.open(url, '_self');