Question

Pass function call through URL

Asked by: jpipitone

I have some javascripts on this page (http://www.lafirecu.org/news.php) that insert and remove content based on a link that you click on (Read More>>)  When you click on the Read More>> link, you'll see that the content is inserted.

I need to create a link on another page that needs to link to the news.php page like any other ordinary link, however the content needs to be inserted depending on which link is clicked on.  

For example:

news.php#70 - should link to the news page and initiate the function javascript:InsertContent('70')

Is there a way that I can pass the function call through the URL?  The site is using the php language, so maybe there's a way to write some sort of an if /else statement.

Thanks for any help.

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Asked On
2005-10-16 at 13:14:30ID21596826
Tags

url

,

javascript

,

through

,

call

,

function

Topic

JavaScript

Participating Experts
2
Points
500
Comments
13

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Answers

 

by: arantiusPosted on 2005-10-16 at 13:18:24ID: 15095564

Online demo:
http://www.arantius.com/ee/Q_21596826.html#12
http://www.arantius.com/ee/Q_21596826.html#39

Code:

<!doctype html public '-//w3c//dtd xhtml 1.1//en' 'http://www.w3.org/tr/xhtml11/dtd/xhtml11.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>
<head>
<meta http-equiv='content-type' content='text/html; charset=iso-8859-1' />
<title>Evalulate in-page-anchor (hash) via javascript</title>
<script type='text/javascript'>
function checkHash() {
      if (''==document.location.hash) return;
      var h=document.location.hash.substr(1);

      document.getElementById('out').appendChild(document.createTextNode(
            'You clicked on link: '+h
      ));
}
</script>
</head>
<body onload='checkHash();'>

<div id='out'></div>

</body>
</html>

 

by: jpipitonePosted on 2005-10-17 at 07:25:20ID: 15099689

OK - but I need to know how I would pass this function through in order to insert the content in a div?

<a href="javascript:InsertContent('70')"></a>

 

by: arantiusPosted on 2005-10-17 at 09:03:40ID: 15100649

I do not understand what you mean by "pass this function through" .

The code I have written above detects the presence of an in-page anchor in the "hash" as javascript calls it.  The last 3 lines of the checkHash() function use the value, put in variable h, to put content in a div.

Guessing wildly at what you might mean:


function checkHash() {
     if (''==document.location.hash) return;
     var h=document.location.hash.substr(1);

     InsertContent(h);
}

 

by: jpipitonePosted on 2005-10-17 at 09:07:28ID: 15100685

Here's the script I place on the news.php page.  You can see examples on:

http://www.lafirecu.org/news.php - see how there's a Read More>> link that displays a div?

<script type="text/javascript" language="JavaScript"><!--
function RemoveContent(d) {
document.getElementById(d).style.display = "none";
}
function InsertContent(d) {
document.getElementById(d).style.display = "";
}
//--></script>

 

by: arantiusPosted on 2005-10-17 at 13:39:19ID: 15102912

Try using the function I posted directly above.

 

by: jpipitonePosted on 2005-10-17 at 13:54:07ID: 15103051

Right - but what will the URL look like?

http://www.lafirecu.org/news.php?content=tickets_thenwhat?

 

by: arantiusPosted on 2005-10-17 at 16:48:08ID: 15103943

add in the #XXX just before the ?

 

by: jpipitonePosted on 2005-10-18 at 12:05:32ID: 15110466

You're not understanding.  

I don't need to link to an anchor on the page, have you gone to the page?  If you notice on the page, when you click on Read More>>, it dynamically displays a div by triggering a javascript function InsertContent().

I don't need to pass the anchor link, I simply need the page to basically display the div as its loaded, and I can't place the javascript function call in the body onLoad because it n eeds to display the right content depending on which piece I click on from the homepage.  

Get it now?

 

by: jpipitonePosted on 2005-10-19 at 09:32:43ID: 15117423

Can anyone help?

 

by: Jester_48Posted on 2005-10-19 at 12:56:11ID: 15119239

try this
type in this url into teh address line

http://www.lafirecu.org/news.php?70

and then place this in body

<body onload="InsertContent(url.split('?')[1])">

 

by: jpipitonePosted on 2005-10-20 at 08:03:45ID: 15125012

Nope - doesn't work....

 

by: Jester_48Posted on 2005-10-20 at 10:34:13ID: 15126483

try this in the body onload, i used a variable in teh original code and didn't update when i posted it

InsertContent(location.href.split('?')[1])

and change the function to

function InsertContent(d) {
if(d)
document.getElementById(d).style.display = "";
}

 

by: jpipitonePosted on 2005-10-25 at 09:20:30ID: 15155697

I will be giving this a shot today - sorry I haven't accepted yet.  I'll go ahead and accept since it has been so long....thanks for your help!

20120131-EE-VQP-002

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