Ajax

Asynchronous submission of form data has two pain points: 1. garbled Coding In fact, the bottom layer of ajax technology is unicode encoding. garbled code occurs when GBK pages interact with interfaces. There are multiple solutions, which can

LieHuo76.Net teaches 79 Cheng a very simple and common JS to get the URL code of the current webpage. In fact, this is a useful function, sometimes we do not want to use dynamic Web languages such as ASP, PHP, and JSP to intercept strings in URLs.

When the shutter opens the webpage, a line of Js code can be implemented. This is a kind of webpage transition effect. When the link is opened, wait for the page to load and display it slowly in the form of a shutter, the Code is also very simple.

If the requirement for dynamic client interaction is relatively high and elements need to be added frequently and dynamically in the DOM, performance problems may occur, so DocumentFragment may be used. For more information, see the following

Most languages provide bitwise operators. bitwise operators are widely used in c, c ++, and other languages. There are not many application examples in JS, AS, and other scripting languages, sometimes, the proper use of the bitwise operator will

Document reprinted by the Fire Site Building Institute (bkjia.com)Sometimes we have to change the form action to submit data. Of course, in most cases, we use hidden fields to make actions get different data. For example, the form action is search.

AJAX is currently a hot technology. No one can deny that it has a large number of supporters. On CNN, it grew from an undesirable word in February to a prototype technology in October. Therefore, it is necessary to see why AJAX can evolve into the

The Service side is a paging class of text files. It is mainly processed in the stream. Of course, I have used the keyword on the Internet for paging.I personally think that not all the time can meet the requirements. If I write this on myself, I

I. What is Ajax? AJAX is called "Asynchronous JavaScript and XML" (Asynchronous JavaScript and XML). Ajax is not a technology. It is actually several technologies, each of which has its own unique characteristics, combined into a powerful new

1. [Use iframe] Add an iframe to the page to be loaded, as shown below:Copy codeThe Code is as follows: Add the function you want to call in onload. If the loaded page is in the pop-up layer, this function should be placed on the parent page of the

The property method can contain parameters:Copy codeThe Code is as follows:Function ClassX (name ){This. name = name;ClassX. prototype. show = function (param ){Alert (this. name + "" + param );};}Var o = new ClassX ("name ");O. show ("param"); //

Search the data to get the result: NoHowever, we also found a solution, that is, using iframe to submit the form, that is, you can upload files without refreshing the new form!I. HTML codeCopy codeThe Code is as follows: no need to submit a new form

Client code mouseover. phpCopy codeThe Code is as follows: mouse suspension test Server code:Mouseover_check.phpCopy codeThe Code is as follows:Header ("Content-type: text/html; charset = gb2312 ");Header ("cache-control: no-cache,

Copy codeThe Code is as follows: The full text of this article is as follows:XMLHttpRequest transfers data with a UTF-8 by default. When the returned data from the server is UTF-8 encoding, it works very well (developing web applications, when the

If AJAX technology is used to implement the above operations, you do not have to wait for the server to return information. When you enter the user name or enterprise name, when the input text box loses focus, the system automatically sends a

You cannot use Top in the database. You can use this method later... This method summarizes and writes a page. If you are interested, you can study together ....Front-end code:Copy codeThe Code is as follows: randomly generated ajax data Background

Copy codeThe Code is as follows:// Step 1: Create an XMLHttpRequest objectVar http_request;Try{Http_request = window. ActiveXObject ("Microsoft. XMLHTTP ");} Catch (e){Try{Http_request = new XMLHttpRequest ();} Catch (e){Alert ("your browser does

Copy codeThe Code is as follows:Var xmlhttp = null;If (window. XMLHttpRequest ){Xmlhttp = new XMLHttpRequest ();}If (! Xmlhttp & window. ActiveXObject){Try{Xmlhttp = new ActiveXObject ("Msxml2.XMLHTTP. 5.0 ")}Catch (e){Try{Xmlhttp = new

I suddenly felt that this was the problem. After studying the problem, I thought it was quite easy, but my knowledge was still lacking. The solution was as follows:Blocked AJAX requestsLet's verify the request blocking first. The following code is

I believe that anyone who has used Gmail knows that Gmail has a draft automatic saving function. Every time, Gmail automatically saves the draft of the email so that it can quickly resume work in some emergency situations, otherwise, emails written