jquery ajax get status code

Title: The following is the JS method function Login () { $.ajax ({ Type: "Get", URL: ' valid.php ', Data: "Username=admin", DataType: "JSON", Success:ajaxcomplete (Result), Error:ajaxerror (response)}); }); } Here are the valid.php echo $_get[' username ']; ?> After triggering the login () method, the page error notice:undefined Index:username, meaning is not found this parameter, this is for what, s

1:get access to the browser is considered to be idempotent Just a single result of the same URL [same as the entire URL string exactly matches] So when the second visit if the URL string does not change the browser is directly out of the results of the first visit Post is considered to be a variable access (the browser thinks that post commits must be changed) Prevent idempotent access to get add after UR

AJAX is a technique for creating fast, Dynamic Web pages.AJAX enables Web pages to be updated asynchronously by exchanging small amounts of data in the background with the server. This means that you can update a part of the page without reloading the entire page, and the user experience is very good.Two methods for dynamically loading DropDownList values are described below.The first type:View LayerController layer Response.setcontenttype

Note: the $.get () and $.post () methods are global functions in jquery. The load () method described earlier is an operation on a jquery object. 1, $.get () method The $.get () method uses the Get method to make asynchronous re

This article mainly introduces jQuery's implementation of Star comments code based on ajax, which can display comments in real time. it is very useful based on Ajax, for more information about jQuery's ajax-based Star comments, see the following example. Share it with you for your reference. The details are as follows:

There are not much work in the past two days, basically about ajax in jquery. Previously, it was always the simplest ajax request to write and did not focus on how to obtain the ajax return value. Jquery ajax is widely used to imp

The $.get () method and the $.post () method in jquery receive code When using jquery to implement AJAX applications, the methods often used are $.get () and $.post (), and two methods are used to receive the parameters passed by

( Specialvo.getid ()); system.out.println (Special.getid ()); httpservletresponseresponse= Servletactioncontext.getresponse (); out=response.getwriter (); Out.print (True); out.flush (); out.close (); }catch (exceptione) { E.printstacktrace (); out.flush (); out.close (); out.println (0);} }Struts configuration action requires no resultReference article:http://bbs.csdn.net/topics/390470284http://blog.csdn.net/xuzhuang2008/article/details/6928304This article is from the "Nothing-skywalker" blog,

In general, when doing Ajax load, many people will not consider the need for browsers to support the forward back function, because most people do not know can be achieved. Recently encountered this problem, after a short study, found that GitHub already have a ready-made open source tools to use, the main implementation of the principle is to use the HTML anchor point, namely The main demo code is as fol

AJAX instance code based on the JQuery framework. For more information, see. Index.html The Code is as follows: JQuery Ajax instance demo

Jquery uses code for global AJAX events. For more information, see. The Code is as follows: JQuery Ajax-AjaxEvent

There is a situation: the whole station to use asynchronous way to call the data, submit data, then you will be $.ajax each operation ({...}) Write repetitive methods and code, redundancy is too large, but also a waste of time, although you have code automatically prompt completion, but really not elegant, as a front-end geek, is not allowed! Hey Although I do

1. Load ()The load () method is typically used to obtain a static data file from the server.If you need to pass some parameters to the server in your project, you can use the $.get () or $.post () method or the $.ajax () method2, $.get ()　　$.get () uses the Get method to mak

This article mainly introduces the example code of JQuery + Ajax without refreshing pages. If you need it, you can refer to it. I hope it will help you first: The implementation principle is very simple. The jquery. pagination plug-in is used. When you click the page number, the data on the page is asynchronously ret

This article mainly introduces jQuery + AJAX to implement the login verification interface of the mask layer, and shares the source code. interested friends can refer to the implementation of the login interface of the JQuery mask layer, AJAX implements logon verification. t

Recently, many of my friends have encountered this problem, that is, when jQuery is used ,. the get method can be normally obtained and displayed in the FireFox browser, but it is not true in IE. This is mainly because of the cache problem of IE, which can be solved as follows: [html] lt; scripttype quot; text/jav... syntaxHig Recently, many of my friends have encountered this problem, that is, when

This articleIntroduce the Get () function first: Url,[data],[callback],[type] Parameter description: URL: The URL address of the page to be loaded Data: Key/value parameter to be sent. Callback: callback function when load succeeds. Type: Returns the content format, XML, HTML, script, JSON, text, _default Description Get Way: You can transfer simple data in Get