Ajax

Now compare the pros and cons of Ajax with hidden form submissions. 1. Hide form submission, update the data after the completion of the need to go to a blank page and then the original page submitted after processing; Ajax is not, you can directly

The request way, divides into get and post:get most common HTTP request, the ordinary browsing page is the get. The parameter request for Get mode is directly followed by the URL and begins with a question mark. (JS used Window.location.search to

First, AJAX requests data (with jquery Ajax) Copy Code code as follows: background processing request, returns JSON format data (with thinkphp return) Copy Code code as follows: $list = $File->group (' num

Service-side code there's no . HTML code is simpler and needs to be introduced into the jquery library Copy Code code as follows: Please enter user name: JS Code Copy Code code as follows: /*

Copy Code code as follows: The reason that the Ajax callback function is asynchronous causes an external direct access to the value of STR or "AAA", when "BBB" is used, the function of "BBB" can be put into the callback

A simple example of Ajax: Selecting a book will get the relevant name in real time via Ajax. 4 HTML files to the same file on the Web site. index.html Copy Code code as follows: a simple Ajax instance that

Traditional Ajax Code Copy Code code as follows: jquery method Code Copy Code code as follows: Get and Post Code Copy Code code as follows: get VS. Post Enter name and

The first step in solving IE coding problem: DataType: ($.browser.msie)? "Text": "xml" first lets IE recognize whether the text or XML is returned Step Two: Copy Code code as follows: function Parsexml (XML) {//xml IE encoding problem step

Recently used Ajax technology through the XMLHttpRequest object to complete a homepage login function! The code is as follows:

Today, I met a very painful problem. The asynchronous function $.ajax of jquery is called in one function, and then there is a section of jquery code outside the $.ajax function. Each time the code after the $.ajax is executed first. Search on the

Copy Code code as follows: function Initxmlrequest () { if (window. ActiveXObject) { XMLRequest = new ActiveXObject ("Microsoft.XMLHTTP"); } else { if (window. XMLHttpRequest) { XMLRequest = new XMLHttpRequest (); } } } function

Ajax friends must know that JavaScript is using UTF-8 International code, that is, each Chinese character is stored in 3 bytes, but this causes the use of Ajax to send data when garbled.One solution is to use encodeURIComponent Plus modify

Today JS practicing, want to encapsulate an AJAX request to send the object, of course, is to be compatible with the full browser. The code is as follows: Copy Code code as follows: var Ajax = { Xhr:null, Callback:null,

First, the use of IFRAME, through the document.write to produce history Copy Code code as follows: 0 0 When you click on the button to update the page DOM (simulate AJAX submission), you

One, JS script caching problemA: This problem is one of the most common problems that you have encountered because of the modification of JS content debugging Does not show the results of the new write code, because JS in order to speed up the page

One, what is Ajax Ajax is all called "Asynchronous JavaScript and XML" (Asynchronous JavaScript and XML), Ajax is not a technology, it is actually several technologies, each technology has its own unique this, together becomes a powerful new

The client side code is as follows: Copy Code code as follows: Enter the setup then get the info: →how many once:" →begin num: " →end num: Features can be improved, improve the prevention of

The technology that Ajax contains We all know that Ajax is not a new technology, but a combination of several original technologies. It is a combination of the following technologies. 1. Use CSS and XHTML for presentation. 2. Use the DOM model for

A Load () method (simplest) Load (Url,[data],[callback]) URL: Loaded page address Data: Optional, sent to the server, the format is Key/value Callback: Optional, callback function 1. The simplest application Copy Code code as follows:

Examples are as follows: Convert form to Ajax commit function Ajaxsubmit (URL,FRM,FN) { var datapara=getformjson (frm); $.ajax ({ url:url, type: "Post", Data:datapara, async:false, dataType: ' txt ',