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Redirect to different URL when current URL contains some string

I have a requirement wherein I need to redirect my page to a different URL when my current URL contains some string.
For instance,
If my current URL contains www.testdomain.com or www.testdomain.com/web/region then it should redirect to www.testdomain.com/group/region. I tried the below code but it returns "The requested resource could not be found -- https://www.testdomain.com/web/region/testdomain.com/group/region".
$(document).ready(function() {
if (window.location.href.indexOf("web/region") > -1) {
window.location.href=window.location.hostname+'/group/region';
}
})
It is adding the URL twice here. But when I pass the direct URL window. location.href="www.testdomain.com/group/region" it is working.
Can someone guide me on how do I force redirect my page if the URL contains www.testdomain.com or www.testdomain.com/web/region?
Thanks

Start with // so that the browser knows it's not a relative URI:
window.location.href = '//' + window.location.hostname+'/group/region';
You can also prepend the protocol:
window.location.href = window.location.protocol + '//' + window.location.hostname+'/group/region';

It's adding the URL twice because browsers interpret /group/region as a relative path, automatically prepending the current domain UNLESS otherwise specified. (Maybe others can explain why window.location.hostname doesn't immediately return, thus preventing the browser from assuming a relative path?)
Example: If you explicitly set a domain, the browser will redirect to it as expected.
window.location.href='http://www.google.com/'
Otherwise, if you take away "www."
window.location.href='google.com/'
Your browser will redirect to "www.testdomain.com/google.com", appending the string.
The fix is simple.
Just delete window.location.hostname+ and it will only return the URL once.
Or... for a better user experience, I would suggest using window.location.replace() which DOES NOT save the current page in session history.(You don't want to go back, just to be redirected again!)
SOLUTION:
Replace your return block with this.
window.location.replace('/group/region')

Dynamically added path in URL going next to the variables. How can I move it before variables?

Just some intro:
In ecommerce template, "Symfony" based I'm loading all the products from available pages (Infinite scroll) using AJAX request. Everything working perfect when I have clear URL like this:
http://example.com/path
I'm loading products from available pages with ajax request, here some code to check (Note, not the whole functional code, but the part which affects URL):
$().ready(function(){
infiniteCollectionInit('{{ (request.url~'page1.ajax') }}');
});
function infiniteCollectionLoad(url, mode){
infiniteCollectionPage++;
url = url.replace('page1.ajax', 'page' + infiniteCollectionPage + '.ajax');
}
This simply adding page1.ajax, page2.ajax ... at the end of the URL
The problem starting at the point when filters are used in page, In that case the URL transforms to this:
http://example.com/path/?mode=grid&max=60&min=0&sort=newest
Now when scrolling down and it need to load next page's items the URL is:
http://example.com/path/?mode=grid&max=60&min=0&sort=newestpage1.ajax
Can anyone help me out to add the page1.ajax before variables like this:
http://example.com/path/page1.ajax?mode=grid&max=60&min=0&sort=newest
Thanks.

Should be something like this:
var u = new URL("http://example.com/path/?mode=grid&max=60&min=0&sort=newest")
var newUrl = u.origin + u.pathname + 'page.ajax' + u.search;
If URL is reused from the previous one than you might need to replace u.pathname with a fixed path. Otherwise you keep on adding to it.

Reload a page inside iframe

I have an iframe and I want to reload the currently displayed page on button press.
HTML:
<iframe id="webView"></iframe>
JS:
function reloadPage()
{
var webView = document.getElementById("webView");
//CODE
}
Inside the reloadPage() method I tried different solutions:
Call reload()
webView.contentWindow.location.reload();
This just doesn't work because the pages loaded inside the iframe are from a different domain than the main page.
Set src
webView.src = wevView.src;
It gives wrong result because it contains the initial url that I set to the iframe, non the current one.
Set location
webView.contentWindow.location = webView.contentWindow.location
I was expecting it to not work with urls from different domains (the same as calling reload()), but actually it works and also gives a good result.
Good but not perfect: the location object holds the current url but strips any parameter.
For example if the frame is currently displaying the following url:
http://www.myserver.com/thatsite/?page_id=11
the location object contains this url:
http://www.myserver.com/thatsite/
So this one works well as long as there are no parameters in the url.
Better solution?
I rely heavly on urls with parameters (mostly WordPress installations) so i need a way to keep them while reloading.
Anyone knows a solution to achieve this?

just not possible, see this thread:
Get current URL from IFRAME
and this one
How do I get the current location of an iframe?

Since setting location works, you could use location.search to retrieve the GET parameters and reconstruct the URL that way.
Example:
webView.contentWindow.location = webView.contentWindow.location + webView.contentWindow.location.search

How to go to url in same server without setting complete url address - JavaScript (with/without) jQuery

I know how to go to link / url / address, like;
window.location = "www.example.com/index.html";
or
document.location.href="www.example.com/index.html";
But suppose I want to navigate from index1.html to index2.html, how can i achieve this without providing the www.example.com/ prefix? Please don't suggest that I set www.example.com/ in a global variable / constant. The address may change to www.example2.com/subfolder1/subfolder2/ to www.examplea.com/.... The mentioned methods works only in the case of root pages. I mean, providing document.location.href="index.html"; will navigate the browser to rootdomain/index.html, even if I am staying in rootdomain/section1/section2/somepage.html. But I want to navigate to rootdomain/section1/section2/index.html
How can I achieve this by providing just the page name?

If you have a / at the beginning of your string, it'll go to the local page:
window.location = "/index.html"

Just like you would do otherwise, but using the relative path:
document.location.href = '/index2.html'; //relative path

window.location.pathname = 'index2.html';
You can also just use relative urls on the document.location.href.
What might be even better is window.location.assign('index2.html');. This is especially useful when you're at www.example.com/foo/.../index1.html and don't want to specify the whole path to get to www.example.com/foo/.../index2.html.
For more options, see https://developer.mozilla.org/en-US/docs/DOM/window.location .

Create hyperlink based on current URL

I created a bilingual website using two databases:
www.martyregan.com/
www.martyregan.com/jp/
You can choose the language of the website using the 'Website Language' flags, but currently the links only bring you to the homepage. The paths/URLs on both sites are exactly the same, other than /jp/ directory on the Japanese site.
I'm looking for a way to alter the hyperlinks to go to the parallel page, based on the URL of the page the visitor is currently on. I figure it'd be quite simple being that the paths are identical, but not really sure where to start with my little knowledge of jquery.

This assumes your language is accessible as seen below.
"http://" is removed from the URL for convenience.
$(function(){
var lang = 'jp';
$('a').attr('href', function(x, url){
var split = url.replace(/(http:)?(\/\/)?/, '').split('/');
return split.shift() + '/' + lang + '/' + split.join('/');
});
});

You may be able to get away with using the <base> tag depending up on the browsers you need to support. You can just set that to whatever the base is by acquiring it from the server.
If you want to use jQuery to do it, it should be fairly simple if all of your hrefs are absolute:
$("a").attr('href', function (_, href) {
return $("base").attr('href') + href;
});
This assumes that you are using <base>. If you're not you can get the path from window.location.path, or even some other element on the page.
In case you are confused, the JavaScript is only required if <base> is not enough to work on its own