browser back acts on nested iframe before the page itself - is there a way to avoid it?

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再見小時候
再見小時候 2020-12-13 12:54

I have a page with dynamic data loaded by some ajax and lots of javascript.

the page contains a list from which the user can choose and each selected value loads n

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  • 2020-12-13 13:35

    Basically you need to prevent the addition of new history entries in the iframe, history.replaceState introduced in HTML5 would work in most cases.

    history.pushState(state, title, url);
    
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  • 2020-12-13 13:39

    The accepted answer does not seem to work if you try to set a cross-domain URL for the IFrame. As a workaround, I detached the IFrame from the DOM before setting the src (using jQuery).

    // remove IFrame from DOM before setting source, 
    // to prevent adding entries to browser history
    var newUrl = 'http://www.example.com';
    var iFrame = $('#myIFrame');
    var iFrameParent = iFrame.parent();
    
    iFrame.remove();
    iFrame.attr('src', newUrl);
    iFrameParent.append(iFrame);
    
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  • 2020-12-13 13:51

    I suggest you create a hyperlink within your iframe. call it 'Back' and put a href as javascript:history.back(-1)That's the best you can do I think.

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  • 2020-12-13 13:53

    I've found the answer to my problem guess it could be useful for others out there.

    The problem was with the way i assigned new URLs to my Iframe, i used Jquery so it looked something like that:

    $('#myIFrame').attr('src',newUrl);
    

    When assigning the URL in that manner it adds a new entry to the browser's list of visited URLs to go back to.
    That wasn't the desired behavior, so after some googling i found that you can assign a new URL to an Iframe object without adding it to the 'back-list', it looks like that:

    var frame = $('#myIFrame')[0];  
    frame.contentWindow.location.replace(newUrl);
    

    This way my back button behave exactly as expected.

    btw, i got my answer from here.

    Hope this was helpful to you as it was to me.

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  • 2020-12-13 13:55

    No, this is entirely up to the browser.

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  • 2020-12-13 14:00

    I manage cross domain iframe inside bootstrap modal, the only solution working for me is to put the following code inside the head of the each iframe pages:

        history.pushState(null, null, location.href);
        window.onpopstate = function () {
          history.go(1);
        };
    

    This will not work for everyone as you need to have the control of the iframe content, in addition it break the history chain of the parent window

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