Ajax

Ajax garbled solution Summary First, JavaScript follows the Java character processing method, and Unicode is used internally to process all characters, Second, UTF-8 is stored in three bytes for each Chinese character (UNICODE character. Third,

First, generate and output XML documents on the PHP page, and then process XML data in JS: VaR xhr = createxhr (); xhr. onreadystatechange = getinfo; xhr. open ("get ",'. /07. PHP '); xhr. send (null); function getinfo () {If (xhr. readystate = 4 &

1. Design of shopping cart   Shoppingcartitem: encapsulation of a book, including three attributes: title, quantity, and price, and corresponding getter and setter methods. Shoppingcart: the shopping cart encapsulation class. The items is Map , and

In fact, Ajax has been in use for a long time, but it has never been time to look for the book system seriously. It has been quite time-consuming recently. This series is based on the combination of Ajax and PHP, mainly to share experiences with

The normal B/S mode is synchronization, while AJAX technology is asynchronous. Of course, XMLHttpReques has the synchronization option. Synchronization: submit a request and wait for the server to process it. During this period, the client browser

It was not the first time I used ajax to request data (I always thought that was the case). I encountered a problem yesterday? Ajax is used in the project to request data. Therefore, the ajax code is copied to the project, and the frontend and

Now let's compare the advantages and disadvantages of ajax and hidden form submission. 1. Hide form submission. After updating data, you need to go to a blank page and submit the original page for post-processing. ajax does not need to be used. You

The setTimeout function is mainly a timing function in js. We often use it as a timer. Next I will explain the usage of setTimeout in js in depth. A few days ago, I just published an article that uses setTimeout to improve the ui response speed. I

Data types are available in every programming language. js data types include: number type, string type, Boolean Type, indicates an object whose variable is not assigned a value or is empty. Let me introduce it to you. Here we will only explain the

The highly adaptive feature of iframe is a common issue. Today I will find a few more questions about the highly adaptive feature of iframe. I have sorted it out and shared it with my friends. The code is concise and compatible. The iframe height is

Adding events in javascript is bound to events like jquery. To obtain elements, we can use getElementById directly. Next, let's take a closer look at how to add events in js and how to select elements. I learned a few simple little effects today,

Use the onKeyDown and onKeyUp events of js textarea to monitor user key events in real time, and then use our custom statistical function to calculate the number and number of characters that can be entered. Real-time statistics html The

AJAX Chinese problems fall into two categories: 1) the parameters in the sending path are in Chinese, and the received parameter values in the server segment are garbled. For example:Var url = "a. jsp? Name = Xiao Li ";XmlHTTP. open ("post", url,

Many articles about the differences between substr, substring, and slice methods are found on the Internet, and the content is basically the same. Then, I moved the code in one of the articles to a local machine for testing and found that the test

 Send multiple attachments in a 163 email.   Var currFocus;Var ExistAttaInfo = new Array ();Var oldDelAttas = new Array ();Var attaIdx = 0;Var IsIE;Function fInitMSIE (){If (navigator. userAgent. indexOf ("MSIE ")! =-1 ){IsIE = true;} Else {IsIE =

I. Basic knowledge about JSON. Objects in JSON are identified by "{}". A "{}" represents an object, for example, {"AreaId": "123 "}, the object value is in the form of a key-value Pair (key: value ). "[]" Identifies the array. Each data in the array

JQuery Ajax is a very good plug-in that simplifies the original ecological js ajax. With jquery ajax, it is as simple as eating, below I have sorted out some examples of jquery ajax applications to learn from and hope the article will be helpful to

Let's get started with jquery in the last chapter. Example 2 User Registration (Simple Form Verification) (http://www.cnjquery.com/html/JQueryjiaocheng/200807/17-519.html)There is a line of statements in it $. Get ("php/user_register.php", {act: $

Select can be used for multiple or single-choice drop-down box effects. If the Interaction Effect is met, we can call them one by one. Next I will introduce Jquery Ajax without refreshing the select value code, for more information, see. Javascript *

In jquery ajax, get, post, ajax, and load, which we will talk about in this article, can be used to load pages directly, which is different from other methods. Next I will introduce the ajax load usage example. The complete format for calling the