Re: Accessing Nested IFrame's Parent ID and Names

bruce barker · Jul 12, 2004

the name and id assigned to frame are only known to its parent (as its the
name of a child frame), as there is no html element in the frame source that
represents the window, the windows id and name are always null.

<html>
<body id=mainBody>

<iframe name=foo id=foo>
</iframe>
</body>
</html>

you can put a name or id on the body and check that.

window.parent.document.body.name;

-- bruce (sqlwork.com)

MLibby said:
How can I access an IFrame's id or name from within a child IFrame?

My application can have nested IFrames (one IFrame exists within another).

Each child IFrame needs to access its parent IFrame's javascipt methods.
However before it attempts to access the parent IFrame method it needs to
know if its parent is truley an IFrame and the correct IFrame.

I tried assigning each IFrame an ID and then having each IFrame check its

parent IFrame's ID however, I found that child IFrame can't retrieve thier
parent's IFrame ID. For example window.parent.id should return the name of
the IFrame's parent but for some reason the id is always null. The same is
true for an IFrame's name.

I also tried seing if the child's parent contains a method and then call

that method in hopes of retriving its IFrame ID, ie.

Guest · Jul 14, 2004

Thanks Bruce,

I believe assigning a name to an abritary variable inside of the frame and then checking it from the child frame will work. Thanks for you help,
Mike

--
mcp, mcse, mcsd, mcad.net, mcsd.net

bruce barker said:
the name and id assigned to frame are only known to its parent (as its the
name of a child frame), as there is no html element in the frame source that
represents the window, the windows id and name are always null.

<html>
<body id=mainBody>

<iframe name=foo id=foo>
</iframe>
</body>
</html>

you can put a name or id on the body and check that.

window.parent.document.body.name;

-- bruce (sqlwork.com)

MLibby said:

How can I access an IFrame's id or name from within a child IFrame?

My application can have nested IFrames (one IFrame exists within another).

Click to expand...

Each child IFrame needs to access its parent IFrame's javascipt methods.
However before it attempts to access the parent IFrame method it needs to
know if its parent is truley an IFrame and the correct IFrame.

I tried assigning each IFrame an ID and then having each IFrame check its

Click to expand...

parent IFrame's ID however, I found that child IFrame can't retrieve thier
parent's IFrame ID. For example window.parent.id should return the name of
the IFrame's parent but for some reason the id is always null. The same is
true for an IFrame's name.

I also tried seing if the child's parent contains a method and then call

Click to expand...

that method in hopes of retriving its IFrame ID, ie.

if (window.parent.somemethodl != null)
window.parent.somemethod();

function somemethod()
{

This works! However, when inside of the sommethod() call I still can't access the IFrame id or name.

Any ideas?

Mike

How can I retrieve an IFrame's parent id from within a nested child's IFrame?

Click to expand...

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Re: Accessing Nested IFrame's Parent ID and Names

bruce barker

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