Hello:
My html file contains the following image link:
<a href="some_url"><img src="MyImage.gif"></a>
How can I use Javascript to find out the value of some_url for the
given image name "MyImage.gif"?
I know how to get the image object with a given name (e.g.
"MyImage.gif"). But then how do I get the parent anchor link object and
find its href value?
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 ningjun.wang (11)
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8/5/2005 3:09:46 PM |
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ningjun.wang@lexisnexis.com wrote:
> Hello:
>
> My html file contains the following image link:
>
> <a href="some_url"><img src="MyImage.gif"></a>
>
> How can I use Javascript to find out the value of some_url for the
> given image name "MyImage.gif"?
>
> I know how to get the image object with a given name (e.g.
> "MyImage.gif"). But then how do I get the parent anchor link object and
> find its href value?
>
this may or may not work: if the image has an id use this:
var it=document.getElementById('imageid').parentNode.href;
that said i may have gotten it wrong completely :p
--
Hope This Helped and MTFBWY...
Kieren aka JediFans - <URL:http://jedifans.com/>
The Force Is With Me, SuSE Linux Professional 9.3, Mozilla Firefox
1.0.6, Mozilla Thunderbird 1.5 Alpha 2 and Revenge Of The Sith!
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Reply
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 Jedi
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8/5/2005 3:37:53 PM
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ningjun.wang@lexisnexis.com wrote:
> Hello:
>
> My html file contains the following image link:
>
> <a href="some_url"><img src="MyImage.gif"></a>
>
> How can I use Javascript to find out the value of some_url for the
> given image name "MyImage.gif"?
>
> I know how to get the image object with a given name (e.g.
> "MyImage.gif"). But then how do I get the parent anchor link object and
> find its href value?
>
document.images['myImage_1'].parentNode.href
file test.htm :
<html>
<script type="text/javascript"><!--
function linkOfImage(pict) {
var Href=null, Link, thisImg;
var I = document.getElementsByTagName('IMG');
for(var i=0;i<I.length;i++) {
thisImg = I[i].src.substring(I[i].src.lastIndexOf('/')+1)
if(pict==thisImg) {
Link = I[i].parentNode;
if(Link && Link.tagName.toLowerCase()=='a')
Href = Link.href;
}
}
if(Href) alert('link href = '+Href);
else alert('not found');
}
// --></script>
<p><a href="#" onclick="linkOfImage('i_2.jpg');">image href i_2.jpg</a>
<p><a href="t_1.htm"><img src="i_1.jpg"></a>
<p><a href="t_2.htm"><img src="i_2.jpg"></a>
<p><a href="t_3.htm"><img src="i_3.jpg"></a>
</html>
--
Stephane Moriaux et son [moins] vieux Mac
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Reply
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ASM
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8/5/2005 4:18:12 PM
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<ningjun.wang@lexisnexis.com> wrote in message
news:1123254586.639821.158520@z14g2000cwz.googlegroups.com...
> Hello:
>
> My html file contains the following image link:
>
> <a href="some_url"><img src="MyImage.gif"></a>
>
> How can I use Javascript to find out the value of some_url for the
> given image name "MyImage.gif"?
>
> I know how to get the image object with a given name (e.g.
> "MyImage.gif"). But then how do I get the parent anchor link object
> and
> find its href value?
<a href="http://www.yahoo.com"><img name="test" src="test.gif"></a>
<button onclick="alert(getParentHrefFromImage('test'));">Find
href</button>
<script type="text/javascript">
function getParentHrefFromImage(imageName)
{
if (document.images && document.images[imageName])
{
var href;
for (var el = document.images[imageName]; (el = el.parentNode);)
{
if ('string' == typeof el.tagName &&
'a' == el.tagName.toLowerCase())
{
return el.href;
}
}
}
return null;
}
</script>
--
Grant Wagner <gwagner@agricoreunited.com>
comp.lang.javascript FAQ - http://jibbering.com/faq
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Reply
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Grant
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8/5/2005 5:31:07 PM
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