How to click on a button on a previous screen using jQuery?

Question

I need to click on the button on the previous screen by clicking on the button at the current screen Writing method for clicking on the current button screen is easy (see below) but I have troubles finding the button on the previous screen.

$('body.printing').prepend('<input type="button" value="Retry" id="RetryLetter"/>');

    $("#RetryLetter").click(function()
    {
//          parent.history.back().$("#printLetter").click();
        var prButton =  document.referrer.getElementById("printLetter");
        prButton.click();
//          window.opener.$("#printLetter").click();
    });

I tried several variants – so far nothing worked

What do you mean by "current" and "previous screen"? Web pages? That's impossible... you can only interact with what exists. Before you try adventures calls such as parent.history.back().$("#printLetter").click() you should first read what history.back() is actually doing and returning: developer.mozilla.org/en-US/docs/DOM/window.history. — Felix Kling
– Felix Kling, Commented Dec 20, 2012 at 22:38
But...what if that page is no longer loaded? How will you trigger a click on a page that is not (necessarily) being displayed — Lix
– Lix, Commented Dec 20, 2012 at 22:38
What do you mean previous screen? If its another page, the DOM is simply not loaded, you can't click it. — Agush
– Agush, Commented Dec 20, 2012 at 22:38
You cannot do anything on a page which is no longer loaded. also document.referrer returns a string so you cant use document methods on it — lostsource
– lostsource, Commented Dec 20, 2012 at 22:38
Yes, I mean previous pages. parent.history.back() returns me to the previous page but clicking does not work — Alex
– Alex, Commented Dec 20, 2012 at 22:39

Brian Duncan · Accepted Answer · 2012-12-20 22:39:11Z

4

document.referrer is just a string with the referring URL. It is not a DOM element that you can access.

http://wap.w3schools.com/jsref/tryit.asp?filename=tryjsref_doc_referrer

answered Dec 20, 2012 at 22:39

Brian Duncan

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2 Comments

Brian Duncan Over a year ago

If you open up a popup window however, you can access the parent window. See: stackoverflow.com/questions/2167455/…

Alex Over a year ago

It looks that I need to load previous page again not using history

Alex · Accepted Answer · 2012-12-27 16:35:22Z

0

So, it appeared that the only way to click on the button on the previous page is recreating the Get request from this button.
I memorize the request string (URL and parameters) in the session object and then repeat this request from the following page

answered Dec 27, 2012 at 16:35

Alex

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