cannot access links in an iframe

oscar1martin · May 30, 2007

The property document.links seems to access links inside a frame, but
not an iframe. For instance, the following code displays a "4": 2
links in main page, 2 links in frame1.

<body onload="fn()">
<script type="text/javascript">
function fn()
{
alert(document.links.length)
}
</script>

<a href="http://somewhere1">aaa</a>
<a href="http://somewhere2">bbb</a>

<frameset>
<frame name="frame1" id="frame1">
<a href="http://somewhere3">ccc</a>
<a href="http://somewhere4">ddd</a>
</frame>
<iframe name="frame2" id="frame2" src="http://somewhere5">
</iframe>
</frameset>

</body>

Is there a way to access the links in the iframe?

Thanks in advance.

-Lost · May 30, 2007

The property document.links seems to access links inside a frame, but
not an iframe. For instance, the following code displays a "4": 2
links in main page, 2 links in frame1.

<body onload="fn()">
<script type="text/javascript">
function fn()
{
alert(document.links.length)
}
</script>

It reports exactly what is found. Now, whether or not you understand
your markup is an entirely different thing.

<a href="http://somewhere1">aaa</a>
<a href="http://somewhere2">bbb</a>

<frameset>
<frame name="frame1" id="frame1">
<a href="http://somewhere3">ccc</a>
<a href="http://somewhere4">ddd</a>
</frame>
<iframe name="frame2" id="frame2" src="http://somewhere5">
</iframe>
</frameset>

</body>

How do you expect JavaScript to behave the way you want it to if you do
not provide it valid HTML?

Is there a way to access the links in the iframe?

Yes. You must first however embed it properly in a page. For example,
in a frame, in a frameset.

marsanos · May 30, 2007

Well, yes, I guessed I could be doing something wrong, but what is it?

I have skimmed trhough hundreds of examples on the net and they all
seem like mine to me.
Also, the page displays correctly.

Some more help, please?

David Dorward · May 30, 2007

Well, yes, I guessed I could be doing something wrong, but what is it?

Start with valid HTML: http://validator.w3.org/

Avoid frames: http://allmyfaqs.net/faq.pl?Problems_with_using_frames

In you insist on using frames, use them according to the standard:
http://www.w3.org/TR/html4/present/frames.html

marsanos · May 31, 2007

Now, this is a helpful answer. And a proof that there are a few things
I have to learn.

Thanks to both of you.

RobC · Jun 3, 2007

David said:
...
Avoid frames: http://allmyfaqs.net/faq.pl?Problems_with_using_frames

I've seen warnings on Google's site about indexing problems when using frames.
Although Google does seem to index pages using iframes without any problems as long
as you provide non-iframe support information.

Rob
www.rcp.ca

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cannot access links in an iframe

oscar1martin

-Lost

marsanos

David Dorward

marsanos

RobC

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