Getting Innerhtml Of Iframe

Feb 7, 2008

I am nOOb to Javascript and wanted to extract HTML from another website. I tried this by using an iframe that opened up the desired webpage and called a script to read the innerhtml of the frame using the onLoad event.

It fails however with a Permission Denied error when trying to extract the html via the script (see code below).

Not sure if I am doing something worng, or if this is just not allowed on ClientSide scripting (I can appreciate writing isn't) but not being able to read.

Anyway, assuming this can't be done in this manner, is there another way in which it might short of using server side scripting?

<SCRIPT language = "Javascript">
function readFile()
{
doc=window["myframe"].document.body.innerHTML;
//TBD...

}
</SCRIPT>

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Iframe InnerHTML

Jul 20, 2005

I'm using an i-frame to grab a server-side text file and display its content
elsewhere in the html document. On change of the i-frame source, I want to
access its innerHTML.

The i-frame source changes just fine and even displays the source; the glitch
is in accessing the innerHTML for that new i-frame src file. It requires *TWO*
clicks of the onClick element to get the correct innerHTML (with just one
click, the source will change, and display the new file in the html document;
however, the innerHTML is still that of the old source file for the i-frame).

This does not appear to be a loading problem with the new src file into the
i-frame. (ie: setTimeout on a function to get the innerHTML after the src file
loads does not work).

So the question is: how can I get the i-frame source to change AND access the
new src file's innerHTML with one click?? Code:

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any thoughts?

I know I'm referring to the right frame, because

top.frames[0].document.location.href = "someotherpage.html"

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I have this:

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Nov 9, 2010

I created a page that has an iframe on it. Within this iframe I call an asp page. The asp page is supposed to do some work and then update the innerHTML of a <div> object on the parent page to indicate that processing of the page in the iframe is complete. The code works in IE but not FireFox. I am wondering what is the best way to make the script work for both browsers?

Sub page JavaScript:
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I can read the contents of an iframe:

HTML Code:
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var txtarea = document.getElementById('message2');
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This will read the contents of an iframe, and write it to a textarea.
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HTML Code:
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Code:

Us this with iframe:

Code:

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Apr 10, 2006

I'm currently using AJAX to perform some dynamic updates and return some text to the web page. At the moment I'm using innerHTML as follows:

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Oct 22, 2007

I am getting data from two tables in a database using a dropdown box with a onchange and some ajax to update two diferent Div tags, basically the id is passed to a php page,, I grab the data from the two tables, I then echo the data in two html tables. I echo a ** for a delimiter between the two tables,

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newr = document.createElement('tr');

stbl.appendChild(newr);
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Here is my problem in a nutshell: a script to model dynamic table
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<html><head></head><body>

<script language="javascript">
function extend() {
var tb = document.getElementById('thetable').tBodies[0];
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tb.rows[tb.rows.length-2].innerHTML =
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}
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<tr><td>2-1</td><td>2-2</td><td>2-3</td></tr>
<tr><td>3-1</td><td>3-2</td><td>3-3</td></tr>
<tr><td colspan="3"><a href="javascript:extend();">extend</a></td></tr>
</table>
</body>
</html>

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