histoy back/forward for iframe

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Hi..
i have an iframe on my web page. i am displaying different pages dynamically on my iframe.
now i want to implement back/forward button for iframe contents only.
how should i do this?
thanks

Posted 23-Dec-10 20:45pm

niravsahayata

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Sandeep Mewara · Answer 1 · 2010-12-23T20:59:00

Solution 1

We have discussed this earlier[^], haven't we?

Once again, in order to implement a back/forward button, you need to keep a track of all the URL's in sequence. It would be kind of a URL stack. Now, have two buttons. Back would traverse you to previous URL from current and forward would take you to next one.

Now, please give it a try! I don't see why or what's unclear here and stopping you.

Posted 23-Dec-10 20:59pm

Sandeep Mewara

Comments

niravsahayata 24-Dec-10 3:06am

but in my iframe i am displaying pages from some other websites,i am not displaying pages from my local machine, so how i can i have that url ?
history.current/previos/next are not working.

i have tried this window.frames.frameID.history.forward(); but it throws error that access is denied

Sandeep Mewara 24-Dec-10 3:11am

When you are working with iframe, how can you expect that browser history keep a track of the urls and history.forward and back woruld work.

What you need is to keep a track of URL's yourself. Whenever you open/navigate to any URL inside the Iframe, you manually via code need to track it and keep it.

Imran Saiyed · Answer 2 · 2010-12-23T22:55:00

JavaScript

var urlList = new Array();
var pos = 0;
function goToPage(pageUrl)
{
    urlList[urlList.length] = pageUrl;
    pos = urlList.length - 1;
    document.getElementById('iframe').src = pageUrl;
}
function goBack()
{
    if (pos > 0)
    {
        pos--;
        document.getElementById('iframe').src = urlList[pos];
    }
    else
        alert('You reached the first page of history');

}
function goForward()
{
    if (pos < (urlList.length-1))
    {
        pos++;
        document.getElementById('iframe').src = urlList[pos];
    }
    else
        alert('You reached the last page of history');
}

Use the function goToPage(pageUrl) to navigate the page in iframe, goBack function to navigate back and goForward function to navigate forward.