CODEWITHSUNDEEP
javascriptjqueryajax
user1154644
user1154644

Reputation: 4609

JQuery AJAX URL Local or Absolute

I have a portion of my web application that uses AJAX. I am using the JQuery AJAX call to add and remove items from the users shopping cart, and it works fine. The URL that I pass as a parameter in the AJAX call is the url-mapping defined in the web.xml file, minus the leading forward slash.

I tried to replicate this with another place in the application where I would like to use AJAX, but this time, the Servlet GET is not even being called at all. I have alerts in the javascript function, so I know the function is being called. Is there a way that I can see (within the ajax function call) what the fully qualified URL is that the GET request is being made to? Also, what is the 'rule' with respect to the AJAX URL? Is there a way that I can get to the context root? My Servlet is mapped to www.mydomain.com/contextRoot/un

I would rather not have to hardcode the context root into the function call, that way if it ever changes, I don't have to update all my javascript functions.

Upvotes: 0

Views: 4120

Answers (3)

iCollect.it Ltd
iCollect.it Ltd

Reputation: 93561

The "rule"

Ajax requests (or any http request from the page) that does not start with a / (or the full domain path) is relative to the current HTML file path.

How to view GET requests

Use the debugging tools in Chrome/Firefox or something like Fiddler2

How to get server root

If it is a simple www.host.com:

var root = location.protocol + '//' + location.host;

(Not sure if this works for context based domains).

You do not mention what server technology you are using, but if you are using MVC/Razor you can inject the server root into a Javascript variable with something like this in your master page header:

<script type="text/javascript>
    window.domainRoot = "@(Url.Content("~/"))";
<script>

this injects a javaScript line like:

  window.domainRoot = "http://www.mydomain/mycontext/";

you can then reference window.domainRoot from any JavaScript code.

If you are using PHP there will be an equivalent way to inject the server root.

Upvotes: 2

user3722127
user3722127

Reputation: 1

I think The url plus parameter is contextRoot/un?para=*.

Upvotes: 0

Bee157
Bee157

Reputation: 576

A simple browser debugger (F12) and you can read the network traffic send.

From here it is possible to see all the details (sent and/or received)

Upvotes: 1

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