Jsonp Ajax

🚀A mini Ajax library provides Ajax, jsonp and ready features for simple web applications. Normally this wouldn't be allowed. JSONP is really a simply trick to overcome XMLHttpRequest same domain policy. This limitation does not apply to scripts that are loaded via jQuery's Ajax methods. The reason for this is the Same Origin Policy in JavaScript. Support JSONP in Spring. NET MVC and in general about everything that revolves around the web. Ajax jsonp call also needs to be supported on server side. You couldn't directly return an array from AJAX, it must have converted in the valid format. { "Name": "Web Technology", "Website": "Web Technology Experts Notes" } JSONP is JSON with padding. For instance, as of version 2. AJAX + JSONP FTW. Angularjs http jsonp ($htto. As of jQuery 1. At Scibler we have used both, JSONP initially before moving to CORS. For a successful cross-domain communication, we need to use dataType "jsonp" in jquery ajax call. Samuele Resca is an Microsoft MVP Visual Studio and Development Technologies, Software Engineer, specializing mainly on ASP. The client JavaScript code to make a JSONP call looks like this: The idea is that this code adds a tag. NET AJAX; jQuery AJAX; In this article we will focus on JQuery Ajax. jsonp() returns a promise when used in conjunction with jQuery 1. Sencha touch : Ajax, Jsonp and scripttags I started using the Sencha Touch javascript framework a number of weeks ago. ) So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from another domain. Nevertheless, jQuery lets you make a JSONP request with $. Here is an example:. Send Ajax GET and POST requests. 2 release, the JSONP is inbuilt to Spring framework. September 18, 2012 by Jonathan Suh. As of jQuery 1. While it is not possible to make a typical AJAX request to a different origin, it is possible to include a from a different origin. jQuery has built in support for JSONP requests in it's AJAX methods. ajax call and will if that's the more appropriate solution, I would prefer just to modify the ajaxSettings to have the getJSON requests work properly. This example that I want to share is about how to use JSONP AJAX request. This way, you won't need to use AJAX, hence you won't run into any trouble when testing locally without a webserver. AJAX stands for Asynchronous JavaScript and XML. Browsing images with JSONP. JSON is a domain-specific language (DSL) and a data format is independent of JavaScript it have its own MIME type i. NET MVC and in general about everything that revolves around the web. Send Ajax GET and POST requests. While searching the web to get started with JSONP in ASP. JSONP is the process of SCRIPT tag injection, referencing a cross-domain URL and providing a callback function (on your page) that the provider will call so that you can handle the result. The request for such a resource through the XmlHttpRequest interface or Fetch API may hurt user experience since an alert asking for user credentials will appear. ajax() by specifying 'jsonp' as the dataType in the configuration object. It appears to be having some kind of issue with the $ at the start of the Ajax code. Unless I'm missing something, we're going to need a new test case that we can use to verify this behaviour with the ajax rewrite that landed in 1. ajax call if I apply it, but since I'm currently using jQuery. jQuery has built in support for JSONP requests in it's AJAX methods. NET AJAX proxies, with the addition of one line to enable JSONP, as shown in the following code:. JSONP is really a simply trick to overcome XMLHttpRequest same domain policy. With Ajax, Web applications can send data to, and retrieve data from, a server asynchronously (in the background) through JavaScript without interfering with the display and behavior of the existing page. jsonp = function (url,options) cross origin ones. Here is a previous example using jQuery. The Controller action method will be called using jQuery AJAX and JSON from View in ASP. ajax() by specifying 'jsonp' as the dataType in the configuration object. This is a problem if you want to get data from another server (perhaps see a stream of Tweets). Ajax allows you to run server-side validations, form submissions, data retrieval, and other server-side stuff in the background (asynchronously) without interfering with the existing page where the request was made. CC'ing jaubourg in case he knows whether this is still an issue or not. However, since JSONP and cross-domain GET requests do not use XHR , in those cases the jqXHR and textStatus parameters passed to the success callback are undefined. AJAX is about exchanging data with a server, without reloading the whole page. Can you show the code of how the web service returns the response? Basically the Ajax jsonp call adds an additional parameter callback to web service call, which you need to use to wrap up the response. application/json. post() implements the Promise interface, giving it all the properties, methods, and behavior of a Promise (see Deferred object for more information). To accomplish the task use a HTTP authentication. Here is an example:. js expressjs. jQuery-JSONP has been tested and runs within all major browsers, namely: Internet Explorer 6+ Firefox 2. The reason for this is the Same Origin Policy in JavaScript. A great number of data providers have JSONP services, for example Google and Twitter. This can not be returned cross domain. Unless I'm missing something, we're going to need a new test case that we can use to verify this behaviour with the ajax rewrite that landed in 1. Note: Versions of Internet Explorer less than 10 do not support cross-domain AJAX. NET MVC controller and display JSONResult on view. jQuery Ajax Call With JSONResult in ASP. AJAX is about exchanging data with a server, without reloading the whole page. Hate it when you can't send ajax requests cross domain? A solution could be to use JSONP. jsonp) service example. JSONP is really a simply trick to overcome XMLHttpRequest same domain policy. Instead of firing an AJAX call, just create and inject a script-element in the page. Using the JSON library's "stringify()" funciton will probably fix the problem. There are two things that need to be done here: Configure your AJAX request to pass cookies; Set the response headers to conform with CORS; Configuring the AJAX Request. Can you show the code of how the web service returns the response? Basically the Ajax jsonp call adds an additional parameter callback to web service call, which you need to use to wrap up the response. For a successful cross-domain communication, we need to use dataType "jsonp" in jquery ajax call. JSONP is essentially a new name for an old trick. Using this method, JSONP is able to work around the same-origin policy. AJAX stands for Asynchronous JavaScript and XML, which sounds complicated. Browsing images with JSONP. Angularjs http jsonp ($htto. Here Mudassar Ahmed Khan has explained with an example, how to use jQuery AJAX and JSON in ASP. At first, it is a silly problem, for me it is an. JSON Processing (JSON-P) is a Java API to process (for e. jQuery Ajax Call to PHP Script with JSON Return. 2 release, the JSONP is inbuilt to Spring framework. In angularjs http jsonp service is used to get data in json fromat and we can make cross domain requests to get data. In JSONP each script tag inserted is an individual AJAX call this might lead to unnecessary consumption of memory so once the data is consumed we would remove the script tag dynamically. As of jQuery 1. From the client side, all we need to worry about is sending the right Content Type and Request body (the content we send along like the form data). JSONP is expected to return a function call instead of just the data as normal JASON. But using AJAX is really just using one object that comes with plain old vanilla JavaScript. Better performance and reduced network traffic. GitHub Gist: instantly share code, notes, and snippets. This is part of my answer to Why is JSONP considered bad? You have seen in your application, many time rendering script tag from many CDN sites. JSONP allows asynchronous loading of data, even from servers in a different domain. Support JSONP in Spring. The browsers will not let you make an AJAX call to another server, so you're stuck. jQuery is a fast, small, and feature-rich JavaScript library. There are two main techniques to do this: JSONP or CORS. This includes using a script tag with the target url being our web service call. Can you show the code of how the web service returns the response? Basically the Ajax jsonp call adds an additional parameter callback to web service call, which you need to use to wrap up the response. Here is an example:. JSONP is used for requesting data asynchronously from a server in a different domain: The function "response" gets called as soon as the data is successfully retrieved. parse() method parses a JSON string, constructing the JavaScript value or object described by the string. I was struggling with it since morning, your blog fixed the issue :) Anonymous 2011-04-18 on 07:23. To accomplish the task use a HTTP authentication. User experience plays a vital role in excellent web design. This example that I want to share is about how to use JSONP AJAX request. What are the security risks with JSONP? Is using JSONP in a new web application reasonable, from a security perspective, or is it better to use a different method for cross-origin web mashups? If using JSONP is reasonable, what steps should I take to make sure I'm using it securely?. The following example use the github api to fetch the list of repositories of a user using jQuery. GitHub Gist: instantly share code, notes, and snippets. It's this capability that makes JSON so incredibly useful, as it opens up a lot of doors that were previously difficult to work around. ajax()-like function called $. But using AJAX is really just using one object that comes with plain old vanilla JavaScript. jsonp) service example. jQuery has built in support for JSONP requests in it's AJAX methods. Here is a good live example of jQuery AJAX and POST from one of my clients, a free keyword suggestion tool for advanced SEO marketers. This key will be used in query string of URL while requesting JSONP data. js expressjs. At first, it is a silly problem, for me it is an. AJAX is about exchanging data with a server, without reloading the whole page. AJAX stands for "Asynchronous JavaScript and XML". Using Ajax we cannot initiate HTTP requests to HTTP servers other than the one from which the html file (currently shown in the web browser) arrives (unless implementing HTTP Access Control). Can you show the code of how the web service returns the response? Basically the Ajax jsonp call adds an additional parameter callback to web service call, which you need to use to wrap up the response. We learned the basic but important concepts about how ajax works and it's building blocks. NET, we can call server side code using two ways: ASP. - Of course they are from different origin, i. NET MVC This article gives you details about how you can implement jQuery AJAX calls to ASP. The browsers will not let you make an AJAX call to another server, so you're stuck. Since Spring version 4. Send Ajax GET and POST requests. Note: Versions of Internet Explorer less than 10 do not support cross-domain AJAX. Let's move the discussion forward and see how to utilize the full power of ajax with jQuery to make application. JSONP uses the tags are allowed to load files from any domain. js expressjs. HowTo: Cross Domain Ajax with JSONP and ASP. jQuery is a fast, small, and feature-rich JavaScript library. Now I will admit at the time, I honestly…. Hate it when you can't send ajax requests cross domain? A solution could be to use JSONP. Now, on to the server side. Ajax is the backbone of Javascript application. Net MVC 5 Razor. In my earlier JSON tutorial , JSON data was generated in the servlet and the same was read by AJAX / JQuery from the same domain and displayed in a Browser. ajax() method is at the heart of all of them, and understanding it is imperative. JSONP or "JSON with padding" is a complement to the base JSON data format which provides a method to request data from a server in a different domain, something prohibited by typical web browsers. It's used to communicate with the server. From the client side, all we need to worry about is sending the right Content Type and Request body (the content we send along like the form data). What are the security risks with JSONP? Is using JSONP in a new web application reasonable, from a security perspective, or is it better to use a different method for cross-origin web mashups? If using JSONP is reasonable, what steps should I take to make sure I'm using it securely?. 2 release, the JSONP is inbuilt to Spring framework. ajax:一种请求数据的方式,不需要刷新整个页面; ajax的技术核心是 XMLHttpRequest 对象; ajax 请求过程:创建 XMLHttpRequest 对象、连接服务器、发送请求、接收响应数据;. I hope you can help me with my problems. Let's take a look at how JSONP is handled with jQuery, MooTools, and the Dojo Toolkit. 5, the success callback function is also passed a "jqXHR" object (in jQuery 1. Asynchronous JavaScript and XML (Ajax) is the key technology driving the new generation of Web sites, popularly termed as Web 2. With Ajax, Web applications can send data to, and retrieve data from, a server asynchronously (in the background) through JavaScript without interfering with the display and behavior of the existing page. One can combine that nicely with JSONP, for instance. ajax call if I apply it, but since I'm currently using jQuery. Here Mudassar Ahmed Khan has explained with an example, how to use jQuery AJAX and JSON in ASP. As of jQuery 1. It appears to be having some kind of issue with the $ at the start of the Ajax code. It produces and consumes JSON text in a streaming fashion (similar to StAX API for XML) and allows to build a Java object model for JSON text using API classes (similar to DOM API for XML). The basic plan for the application was to create a fully functioning web app, then using phonegap create a native iOS application. In this case, you can either use XML or JSON format. The Representational State Transfer (REST) provides a direct response from the service in several plain formats. NET Web API) and creating a nice UI using jQuery ajax call, you may be running into cross domain ajax call issue. NET MVC, Javascript, Node. JSONP isn't exactly AJAX — rather than using the browser's XHR functionality, it actually works by inserting a script tag into the page that contains the requested data, "padded" with a function wrapper. Practical JSONP Injection January 18, 2017 January 19, 2017 Petre Popescu JSONP injection is a lesser known but quite widespread and dangerous vulnerability and it surfaced in the last years due to the high rate of adoption of JSON, web APIs and the urging need for cross-domain communications. This jQuery XHR object, or "jqXHR," returned by $. Send Ajax GET and POST requests. Ajax allows for data retrieval in the background without interfering with the display and behavior of the Web application. We have already learn about Ajax (Asynchronous JavaScript and XML) in this Ajax Tutorial. Rather, I found. Posted in: Ajax Working with JSONP The advent of JSONP — essentially a consensual cross-site scripting hack — has opened the door to powerful mashups of content. CC'ing jaubourg in case he knows whether this is still an issue or not. ajax Method:. Search Results for: jsonp. ) So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from another domain. AJAX stands for Asynchronous JavaScript and XML. jsonp = function (url,options) cross origin ones. GitHub Gist: instantly share code, notes, and snippets. Sometimes the access to a web page or resource should be protected. (As you know one cannot send AJAX (XMLHttpRequest) request to a different domain. jsonpの例のコメント以下の記述は、jsonと見た目が少し変わったものというのではなくて、オブジェクトを引数にした、関数呼び出しです。 理解すればいたって単純な話。違いも明確です。 極端な話、jsonpは以下の記述でも動かすことができます。これも便宜. In this blog entry, I'll demonstrate how you can use Netflix, jQuery, JSONP, and OData to create a simple movie lookup form. It produces and consumes JSON text in a streaming fashion (similar to StAX API for XML) and allows to build a Java object model for JSON text using API classes (similar to DOM API for XML). One can combine that nicely with JSONP, for instance. ajax call and will if that's the more appropriate solution, I would prefer just to modify the ajaxSettings to have the getJSON requests work properly. At Scibler we have used both, JSONP initially before moving to CORS. JSONP 教程 本章节我们将向大家介绍 JSONP 的知识。 Jsonp(JSON with Padding) 是 json 的一种"使用模式",可以让网页从别的域名(网站)那获取资料,即跨域读取数据。. Sencha touch : Ajax, Jsonp and scripttags I started using the Sencha Touch javascript framework a number of weeks ago. JSON allows us to overcome the cross-domain issue because we can use a method called JSONP that uses a callback function to send the JSON data back to our domain. 4, it was passed the XMLHttpRequest object). You couldn't directly return an array from AJAX, it must have converted in the valid format. If the WCF service is using REST/JSONP, then it is not necessary for the client to consume the WCF service proxy. NET MVC This article gives you details about how you can implement jQuery AJAX calls to ASP. Using Ajax we cannot initiate HTTP requests to HTTP servers other than the one from which the html file (currently shown in the web browser) arrives (unless implementing HTTP Access Control). The Controller action method will be called using jQuery AJAX and JSON from View in ASP. The client JavaScript code to make a JSONP call looks like this: The idea is that this code adds a tag. JSONP is used for requesting data asynchronously from a server in a different domain: The function "response" gets called as soon as the data is successfully retrieved. NET Web API, I was not able to find a real quick start guide. If you have created RESTful API (using ASP. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. So, let's look at a collection to fetch photos with JSONP. post() implements the Promise interface, giving it all the properties, methods, and behavior of a Promise (see Deferred object for more information). jsonp) service example. While it is not possible to make a typical AJAX request to a different origin, it is possible to include a from a different origin. NET ASMX Web Service from a remote AJAX client. Using jQuery you could write something like this:. The request for such a resource through the XmlHttpRequest interface or Fetch API may hurt user experience since an alert asking for user credentials will appear. This can come in handy if the data you wish to display is on another domain than your own. In my earlier JSON tutorial , JSON data was generated in the servlet and the same was read by AJAX / JQuery from the same domain and displayed in a Browser. Methods exist to sidestep this security feature by using a special Cross Domain Communications channel embedded as an iframe within a page, or by the use of JSONP. The way a typical JSONP call works is like this: create a new tag using window. AJAX stands for "Asynchronous JavaScript and XML". ajax() method is at the heart of all of them, and understanding it is imperative. AJAX is not difficult, you can easily implement AJAX in a meaningful manner. js expressjs. Note: Versions of Internet Explorer less than 10 do not support cross-domain AJAX. This includes using a script tag with the target url being our web service call. We have already learn about Ajax (Asynchronous JavaScript and XML) in this Ajax Tutorial. As AJAX request are asynchronous, the user does not have to wait for the request processing to complete. At Scibler we have used both, JSONP initially before moving to CORS. September 18, 2012 by Jonathan Suh. JSONP wraps the data/result in a function. As of jQuery 1. In this blog, I will cover the following topics. The client JavaScript code to make a JSONP call looks like this: The idea is that this code adds a tag. Ajax is designed for one-way communications with the server. Let's look at a small example to browse photos from Flickr. For example, Figure 1 illustrates the movies displayed when you enter the value robot into the lookup form. How to call Remote Webservice through Jquery JsonP [Answered] RSS 2 replies Last post Aug 09, 2011 12:42 PM by bruce (sqlwork. How to Pass Cookies on a Cross-Domain AJAX Request from Browser to Server. Webucator provides instructor-led training to students throughout the US and Canada. JSONP allows asynchronous loading of data, even from servers in a different domain. 2 release, the JSONP is inbuilt to Spring framework. It's this capability that makes JSON so incredibly useful, as it opens up a lot of doors that were previously difficult to work around. jQuery's Ajax-Related Methods While jQuery does offer many Ajax-related convenience methods, the core $. jsonp) service example. Browsing images with JSONP. 0 Upgrade Guide Overview Browser Support jQuery Migrate Plugin Summary of Important Changes Ajax Breaking change: Special. jQuery Core 3. VK January 3, 2015 ajax, jQuery, JSON, JSONP In this tutorial, let us see how to read JSON data from different (cross) domain using AJAX call to servlet. User experience plays a vital role in excellent web design. Rather, I found. Set data type (xml, json, script, text, html) and decode returned data. This jQuery XHR object, or "jqXHR," returned by $. NET ASMX Web Service from a remote AJAX client. Ajax (Asynchronous JavaScript and XML) is a technique on the client-side used to create asynchronous Web applications. This way, you won't need to use AJAX, hence you won't run into any trouble when testing locally without a webserver. Wrapping Ajax requests is an important responsibility of the Backbone data layer. Here Mudassar Ahmed Khan has explained with an example, how to use jQuery AJAX and JSON in ASP. As I am currently a student at General Assembly in Washington DC, I was asked the question last week about what is the difference between AJAX, and getJSON. ajax call if I apply it, but since I'm currently using jQuery. Implementing JSONP in Server Side (Web API Service) Select the Web API project and open the NuGet Package Console. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. ajax() and put results in a div "jsonp" success: function. the response of JSONP should look like: jQuery17105683376467786729_1325885559876({"d":"Client side value"}) Jack Yang Developer. With JSONP what is done is wrapping the JSON content with a callback function in PHP which returns a json object. You need to tell your AJAX request to pass credentials with this bit of code:. Load a script file asynchronously How to load a JavaScript file asynchronously from the server and automatically execute it. Anonymous 2011-03-01 on 14:27. As AJAX request are asynchronous, the user does not have to wait for the request processing to complete. JSONP does not use the XMLHttpRequest object. Now, on to the server side. Send Ajax GET and POST requests. The request for such a resource through the XmlHttpRequest interface or Fetch API may hurt user experience since an alert asking for user credentials will appear. NET MVC, Javascript, Node. Posted in: Ajax Working with JSONP The advent of JSONP — essentially a consensual cross-site scripting hack — has opened the door to powerful mashups of content. Right, the JSONP method requires the script transport. Here is an example of how such a element could look:. We were trying to integrate with a service provider (SP) that perfectly complements ours to show it to our customers as an extra and to obtain an extra benefit, extending the final package. It explains the configuration needed in the server side and describes a sample JQuery client that is able to call JSONP enabled services. Support JSONP in Spring. Note: Versions of Internet Explorer less than 10 do not support cross-domain AJAX. I was struggling with it since morning, your blog fixed the issue :) Anonymous 2011-04-18 on 07:23. No screen flickers when the portion of the page updated. Even though the formats seem to be very similar, there are some subtle differences between them. The way a typical JSONP call works is like this: create a new tag using window. jQuery Core 3. It's used to communicate with the server. JSONP is essentially a new name for an old trick. NET MVC and in general about everything that revolves around the web. Ajax allows you to run server-side validations, form submissions, data retrieval, and other server-side stuff in the background (asynchronously) without interfering with the existing page where the request was made. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. It appears to be having some kind of issue with the $ at the start of the Ajax code. jQuery has built in support for JSONP requests in it's AJAX methods. Better performance and reduced network traffic. In general, Ajax requests are limited to the same protocol (http or https), the same port, and the same domain as the page making the request. 🚀A mini Ajax library provides Ajax, jsonp and ready features for simple web applications. This includes using a script tag with the target url being our web service call. NET ASMX Web Service from a remote AJAX client. In the constructor, we need to call super method passing a key. AJAX stands for Asynchronous JavaScript and XML. 10 comments. ajax() by specifying 'jsonp' as the dataType in the configuration object. - Of course they are from different origin, i. parse() method parses a JSON string, constructing the JavaScript value or object described by the string. ) So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from another domain. AJAX + JSONP FTW. JSONP is the process of SCRIPT tag injection, referencing a cross-domain URL and providing a callback function (on your page) that the provider will call so that you can handle the result. AJAX is not difficult, you can easily implement AJAX in a meaningful manner. Net MVC 5 Razor. It explains the configuration needed in the server side and describes a sample JQuery client that is able to call JSONP enabled services. Hate it when you can't send ajax requests cross domain? A solution could be to use JSONP. JSON is a domain-specific language (DSL) and a data format is independent of JavaScript it have its own MIME type i. Unless I'm missing something, we're going to need a new test case that we can use to verify this behaviour with the ajax rewrite that landed in 1. In general, Ajax requests are limited to the same protocol (http or https), the same port, and the same domain as the page making the request. Samuele Resca is an Microsoft MVP Visual Studio and Development Technologies, Software Engineer, specializing mainly on ASP. AJAX + JSONP FTW. We have trained over 90,000 students from over 16,000 organizations on technologies such as Microsoft ASP. As I am currently a student at General Assembly in Washington DC, I was asked the question last week about what is the difference between AJAX, and getJSON. Ok, tell me a bit about JSONP. 10 comments. CC'ing jaubourg in case he knows whether this is still an issue or not. jQuery has built in support for JSONP requests in it's AJAX methods. This way, you won't need to use AJAX, hence you won't run into any trouble when testing locally without a webserver. The basic plan for the application was to create a fully functioning web app, then using phonegap create a native iOS application. User experience plays a vital role in excellent web design. Anonymous 2011-03-01 on 14:27. ajax call and will if that's the more appropriate solution, I would prefer just to modify the ajaxSettings to have the getJSON requests work properly. NET, con l'aggiunta di una riga per l'abilitazione di JSONP, come illustrato nel codice seguente: The usage pattern is the same as with all ASP. createElement(). A great number of data providers have JSONP services, for example Google and Twitter. Unless I'm missing something, we're going to need a new test case that we can use to verify this behaviour with the ajax rewrite that landed in 1. This jQuery XHR object, or "jqXHR," returned by $. NET ASMX Web Service from a remote AJAX client. Hello Allan, I have been trying to use the DataTable plugin(JSONP). Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. JSONP allows asynchronous loading of data, even from servers in a different domain. Search Results for: jsonp. There are two things that need to be done here: Configure your AJAX request to pass cookies; Set the response headers to conform with CORS; Configuring the AJAX Request. JSONP is an unofficial protocol that allows making cross domain calls by generating script tags in the current document and expecting a result back to calls a specified callback handler. I am completely new to AJAX and am fairly new to development in general so any help or advice that anyone may be able provide regarding how I might resolve this syntax/structure issue would be greatly appreciated. We were trying to integrate with a service provider (SP) that perfectly complements ours to show it to our customers as an extra and to obtain an extra benefit, extending the final package. ajax() by specifying 'jsonp' as the dataType in the configuration object. This means that you can only communicate from the browser back to the domain from which the JavaScript was served. To accomplish the task use a HTTP authentication. Since Spring version 4.