Re: [Proto-Scripty] how to modify a part of an a href=...

[Walter Lee Davis]

On Aug 18, 2010, at 11:51 AM, Erwin wrote:


I have the following html code in my page

li style=display: none; id=show_user class=basic_link
a href=/admin/users/4c6a275ea326cb01f401?locale=enShow
User/a
/li

I would like to modify the id part of the href
(4c6a275ea326cb01f401)
between the '/admin/users/' string and the '?locale=en' string (always
present)  with the value of a variable: var id= selection[0].id;

I know that in order to get the element to be modified , I can write :

$('show_user').firstDescendant()


I would use var link = $('show_user').down('a');



but then .. I don't know how to modify it ..


Now that you have the existing link, and the new bit you want to  
replace, it's just a matter of string splitting and re-assembly. If  
the /admin/users/ part is always the same, you could do something  
really simple like this:


(wrap this whole thing in a test for link's existence, so you don't  
get bitten if the HTML changes later)


var new = '/admin/users/' + id + '?' +  
link.href.toString().split('?').last();


and finally,

link.href = new;

and you're done.

Walter



any help will be welcome

erwin

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Re: [Proto-Scripty] how to modify a part of an a href=...

[Dave Kibble]

you might find this regular expression useful:

var myRegExp = /(^.*?)([^\/]*)\?(.*$)/;
var match = myRegExp.exec(link.href.toString());
alert(match[1] + '\n' + match[2] + '\n' + match[3]);

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