Ajax

I believe that we have encountered a lot of cross-domain problems in project development ~So let me say Ajax (non-JSONP) requests cross-domain bar requires back-end matesThe backend program needs to join the header information across the domain

Why use Ajax?No refresh: Do not refresh the entire page, only refresh the local Benefits of No refresh provide the interactive effect like C/s, operation more aspect only part of the page is updated to make efficient use of bandwidth What is Ajax?

What is AjaxAjax is "Asynchronous JavaScript and XML" (Asynchronous JavaScript and XML), i.e. no flush data read.HTTP requestThe first thing you need to know about HTTP request methods (GET and POST).Get is used to get data. GET is the delivery of

In everyday business, we tend to use Ajax to submit page data without using the form's action to submit the entire form. Now let me share some of the problems I have encountered in my daily work.One, $.post, $.get, $.ajax three differences:As the

1. Ajax and Comet1.1 XMLHttpRequest objectsIE5 is the first browser to introduce a XHR object, which is implemented in IE5 through an ActiveX object in the MSXML library. Therefore, in IE may exist msxml2.xmlhttp, msxml2.xmlhttp.3.0, msxml2.xmlhttp.6

The basic techniques used by AJAX applications: HTML is used to establish WEB forms and to determine the fields used by other parts of the application. JavaScript code is the core code that runs Ajax applications, helping to improve

The processing of XML documents by Ajaxvar request=new window.  XMLHttpRequest (); For Chrome browser, and cannot record local file://documents that need to be loaded via the server.var request=new xmlhttprquest (); for IE BrowserRequest.open ("GET",

Since JS has a variety of frameworks, such as jquery, the use of Ajax has become quite simple. But sometimes in order to pursue brevity, there may be no need to load jquery's huge JS plugin in the project. But what about the ability to use AJAX?

We know that Window.history objects are provided early in JavaScript, and that the forward (), go (), and Back () methods of the History object can be used to facilitate such navigation functions as forward and backward between different pages.

Examples of AJAX submitted form data analysis and ajax form instance analysis This document describes how to submit form data through AJAX. Share it with you for your reference. The details are as follows: Var TINY ={}; TINY. ajax = function ()

Ajax Image Upload Based on firefox, There are many protocols for uploading image files. This is mainly about the form of "Content-Type: multipart/form-data. At work, some static files on the front-end are referenced by the FTL template System and

Differences between AJAX and post modes: ajaxgetpost Mode This article analyzes the differences between AJAX and post modes. Share it with you for your reference. The specific analysis is as follows: If the request is in get mode, the transmitted

JavaScript uses Ajax to dynamically display file content on webpages without refreshing. javascriptajax This example describes how to dynamically display file content on a webpage without refreshing JavaScript Based On Ajax. Share it with you for

Solve the problem of data cookie loss in ajax cross-origin requests. ajaxcookie Front end: Take jquery as an example: Need to join Copy codeThe Code is as follows:XhrFields :{WithCredentials: true},CrossDomain: true,$. Ajax ({Type: postType,Url: url,

Get json file data through Ajax in Jquery, and get json through jqueryajax 1. JSON (JavaScript Object Notation): javaScript Object Notation; It is a syntax for storing and exchanging text information, which is smaller, faster, and easier to parse

Ajax and ajax Technologies AJAX, that isASynchronousJAvascriptANdXMLAllows you to update the page without refreshing the status and submit the page asynchronously. Advantages: No plug-in support Excellent User Experience Improve Web program

After JQuery is verified, use ajax to submit data. 1 function checkForm () {2 validator = $ ("# commentForm "). validate ({// # formId is the ID of the form to be verified 3 errorElement: "span", // error marked with "div" label, default: "label ", "

Common HTTP ContentType settings for Ajax applications, ajaxcontenttype Article Source: Common HTTP ContentType settings for Ajax applications In ajax development, we often encounter the following situations: 1. The server must return a piece of

Cross-origin AJAX Solution Since the birth of AJAX, the problem that XMLHttprequest objects cannot cross-origin requests has always existed. This seems to be a classic problem, due to the same-source javascript policy. There are several solutions: 1.

Ajax cache in IE8 and 9, and ajax cache in ie89 Recently, in the login registration box for a website, jquery is used at the front end. Because the sign and login are not on a separate page, they are displayed in a pop-up box. Therefore, we decided