jquery ajax get status code

JQuery-1.9.1 source code analysis series (16) ajax-response data processing and api sorting, jquery-1.9.1ajax After ajax receives a request response, it mainly performs two processes: obtaining the response data and converting the data using the type converter.A.

Conversion from: understand $. Get, $. Post, $. getjson, and $. Ajax usage in jquery. When we write Ajax programs in Javascript, someone suddenly tells you something called jquery, which will tell you how happy it is not directly with httprequest, at the same time, you no l

The role of the framework is to simplify what we do, but it is flexible. Jquery is the mainstay of the js framework. It is flexible and powerful.Jquery encapsulates ajax perfectly, not to mention its powerful underlying ajax functions, but its upper-layer get, post, getscript, and getJson functions are quite handy for

Jquery.get () method: $.get (Url,data,success (RESPONSE,STATUS,XHR), DataType) This function is shorthand for the Ajax function, which is equivalent to: $.ajax ({ url:url, data:data, success:success, datatype:datatype }); The return data passed to the success callback function differs depending on the MIME typ

Solve, how to solve it? Another domain name walk is OK, but this domain name does not go, front-end code is as follows: The backend code is as follows: Reply content: Solve, how to solve it? Another domain name walk is OK, but this domain name does not go, front-end code is as follows: The backend code is as fo

When we write the Ajax program with JavaScript "Happy", suddenly someone tells you there is a thing called jquery, it will tell you not directly and HttpRequest is how happy, at the same time you no longer need to worry about the tangled Ajax garbled problem, Happier is your JS code will be greatly simplified, after re

HTTP status Code and its definition parsing AJAX capture callback error reference The status line contains the HTTP version, status code, and a brief description of the status

HTTP status code and definition parsing Ajax capture callback error reference The status line contains the HTTP Version, status code, and brief descriptions corresponding to the status

json, the returned format is json, and $. the format returned by get () is the same as that returned by get. JQuery. post (url, data, success (data, textStatus, jqXHR), dataType) $.ajax({ type: 'POST', url: url, data: data, success: success, dataType: dataType});

(XMLHttpRequest, textstatus) {This The options for this AJAX request}ContentType String (default: "application/x-www-form-urlencoded") the content encoding type when sending information to the server. The default values are suitable for most applications.Data Object,String to send data to the server. is automatically converted to the request string format. The GET request will be appended to the URL. View

There is a problem. The code in the middle of the page finds that there is no ID. how can I get the 404 status code returned? As you know, output 404 depends on the header. Generally, the first header (404... similar. However, when some logic code is encountered, the client

This article turns from: http://jun1986.iteye.com/blog/1399242 thank him for sharing$.post, $.get is a simple method, if you want to deal with complex logic, still need to use the Jquery.ajax ()I. GENERAL format of $.ajax$.ajax ({Type: ' POST ',URL: url , Data: data , Success: success , DataType: dataType });Second, the parameter description of $.ajaxParameter

. Here jQuery has helped us solve the problem, and we can use $. ajax for bytes; In callback functions, the old writing method requires writing xhr.onreadystatechange = function(data) {if (xhr.readyState == 4 xhr.status == 200) { But in jQuery's writing method, a success: function (data) {is enough. Is it much easier? Attach the old ajax Request

First, let's look at an ajax request instance: Appendix: code in SQL. php Execution result: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131229/1223553460-0.jpg "title =" 2013-11-28_105125.jpg "alt =" 105617217.jpg"/> Note: Only One callback function can be used for one page at a time (how to distinguish between them ?). I,$. Get