Ajax

Author: legendHttp://www.ugia.cn /? P = 85In ajax applications, a page usually sends multiple requests at the same time. If there is only one XMLHttpRequest object, the previous request is not completed, and the subsequent request will overwrite the

Var xmlHttp;UName () // when the user name loses focus{If (all. uname. = ""){All. l1.innerHTML = "cannot be blank! ";SetTimeout ("close (1)", 1500 );Return;}Else{XmlHttp = new ActiveXObject ("Microsoft. XMLHTTP ");XmlHttp. onreadystatechange = deal;

Ajax implementation without any new three linkage drop-down box CellPadding = "1" width = "300" border = "1" bgColor = "# ccff66"> province and city city city Width = "pixel PX"> Type = "button" value = "test" onclick = "getData ();"> 2.

After I made the amber infinitus classification linkage menu Javascript edition, I made a presentation on the blue ideal and CSDN. Meihua xuexiong raised the issue of inefficiency on CSDN, I also realized this. I planned to complete the project

Sometimes google or other advertisements cannot be displayed, resulting in slow page access. How can this problem be solved? We can use AJAX to do the following:Put the following code in the original position: 〉Add: 〉In this way, the Adsense

Because the commonly used webpage files are basically in gb2312 encoding mode, if you read them through the xmlhttp Control, garbled characters will certainly occur, but you need to change all the files to UTF-8 encoding, it is difficult to operate.

Create an XMLHTTP object. Differences between IE and Mozilla browsersCopy codeThe Code is as follows: function getRequest (){Http_request = false;If (window. XMLHttpRequest ){// Create XMLHttpRequest for Mozilla, Netscape, Safari, and other

In the past, I encountered such a requirement when I was working on a project. The user wants to directly enter the city name to obtain the corresponding information of the city. In the past, several JavaScript arrays were generated when the page

'----------------------------------------------------------------------'Keep this declaration information during forwarding. This declaration does not affect your speed!******************* Tianfeng AJAX Weather Forecast System V1.0 *************** **

[Original] How ASP thieves use XMLHTTP to submit forms and send cookies or sessionsXMLHTTP is used to create thieves. Many people have already discussed and discussed the specific details behind the times. However, in the process of making ASP

If you are not familiar with AJAX, take a look at this tutorial:Top AJAX experience. Nowadays, blogs are very popular. I believe that anyone who needs to spend a little time surfing the internet will have a blog here or there. Some friends with

This example mainly demonstrates how to operate XMLHttpRequest .....Introduction to XMLHttpRequestTo realize such a brilliant miracle, you must be very familiar with a JavaScript Object, XMLHttpRequest. This small object has actually existed in

I. Main reasons for using Ajax1. Better User experience through appropriate Ajax applications;2. Transfer the previous server workload to the client, which facilitates the idle processing capability of the client to reduce the burden on the server

When I was working on a project, I used a table control and its data was asynchronously loaded. I used some business processing in the function of Binding data to this table. When I ran the page, I used a browser to place a breakpoint tracking on

In fact, the simplest way is to understand: JavaScript + XMLHttpRequest + CSS + server-side collection, which is essentially a browser-side technology. Okay,Let's briefly describe the code now!(1). Function Description:The tag on the dimensions

AjaxControlToolkit is a set of controls, can realize automatic filling text box, click the text box to pop up the calendar, add watermarks and other Ajax effect, contains more than 40 controls, the specific implementation effect such as:

I used Ajax to perform a name check. This is valid for the first time. But after the submission, I checked it again. The result is incorrect because of the cache of IE.Copy codeThe Code is as follows:Function verify (){$. Ajax ({// Issue for IE

Needless to say, Jquery is a js framework. You can read this article.Ajax is certainly required for projects.If jquery's ajax is used, jquery needs to be introduced to the jsp page.When you find that jquery ajax is invalid, use the fire bug to debug

JQuery's ajax call is very convenient. When passing parameters, you prefer the Json data format. For example:Copy codeThe Code is as follows:Function AddComment (content ){Var threadId = $ ("# span_thread_id" ).html ();Var groupId = $ ("# span_group_

1. Client webpage code Copy codeThe Code is as follows: check whether the user name is unique Cellpadding = "0" cellspacing = "0" background = "images/bg.gif"> & Lt; td height = "253" valign = "top" & gt;Cellspacing = "0"> User name: Id =