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JavaScript / DHTML / AJAX Discussion Thread
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Jun 12th, 2008

the innerHTML of page

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I'm trying to get some HTML code from a page. The only way to do this that I know of is

javascript Syntax (Toggle Plain Text)
document.getElementById('id').innerHTML = 'newhtml';
document.getElementById('id').innerHTML = 'newhtml';

But the problem is that the page is taken from the web and it has no IDs to get and I can't modify it by putting IDs.
So is there a way to get the innerHTML of the whole page so I can search for certain strings afterwards?

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SirDorius

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Jun 12th, 2008

Re: the innerHTML of page

Hi, SirDorius.

Instead of using

javascript Syntax (Toggle Plain Text)
document.getElementById(id).innerHTML;
document.getElementById(id).innerHTML;

You could use

javascript Syntax (Toggle Plain Text)
document.getElementsByTagName(tag)[0].innerHTML;
document.getElementsByTagName(tag)[0].innerHTML;

This method will give you an array of all the elements on the page with that tag name. Just access each tag like you would access an array.

For example, if you wanted to get the inner HTML of the third division on the page you could use:

javascript Syntax (Toggle Plain Text)
document.getElementsByTagName("div")[2].innerHTML;
document.getElementsByTagName("div")[2].innerHTML;

Hope that helps,

Adam

drago865

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Jun 12th, 2008

Re: the innerHTML of page

Thanks Adam, that did help a lot!

Cheers!

SirDorius

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Jun 13th, 2008

Re: the innerHTML of page

the inner html of the whole html document is
document.childNodes[1].innerHTML

or
document.body.innerHTML
if you just want the bodys html

Last edited by plazmo; Jun 13th, 2008 at 4:55 pm.

plazmo

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Jun 13th, 2008

Re: the innerHTML of page

Thanks, document.body.innerHTML should be useful too

SirDorius

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