Prohibit Access to non-domain websites, the following example to access http://www.google.cn,
Save this sectionCodeTo test.html, you can use IE to open the code locally. However, after uploading the code to the server, the error occurs-js
If Javascript is to be cross-origin, you can use:
you can read data from other websites.
The key is to see if your spirit is not flexible and you will use it.
To cross-origin Ajax, you can use the server to retrieve content from other websites,
Html
Code
Copy code The Code is as follows:
try
Level 1: -- select --
Level 2: -- select --
Level 3: -- select --
JS Code copy Code the code is as follows: var one = new linkage ('base1', 'base2', data2); one.
Note:
1. to send data using POST, the line 2 function (also called ajax to send data: ajaxCall) must add the following sentence: xmlObject. setRequestHeader ("Content-Type", "application/x-www-form-urlencoded ");
Then use xmlObject. send (data); To
After I added the refresh search and instant verification detection to my blog, I read the code again. I felt too much trouble. I encapsulated the XMLHttpRequest request into a class, which is much more convenient to use, there is no need to
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
Let's talk about the theme today. Looking at this program, I feel that its most valuable part is to demonstrate how to use nodejs to implement the Refresh Technology of the persistent connection mode.
(This program is not described in detail and
I think it is necessary to present my ajax pages to everyone. let me first talk about the implementation core of ajax paging, and then let's look at the instance effect. the so-called ajax paging is basically the same as the traditional data paging
The effect is as follows:
Copy codeThe Code is as follows:
Ajax Progress Bar
Ajax Progress Bar Example
Launch long-running process:
Copy codeThe Code is as follows: package cn. Ajax. test;Import java.
In theory, AJAX can greatly reduce the waiting time for user operations and save data traffic on the network. However, this is not always the case. Users often complain that AJAX is used to reduce the response speed.
I have been engaged in AJAX
Fire Station building school (bkjia.com) NewsToday, we will tell you how to use javascript code to randomly redirect different webpages. In theory, this method can implement N webpages. Here, the fire station School of small make up only set two
Tutorial on helping customers (www.bkjia.com)In the previous tutorial, we once talked about an article titled "automatically switch the mouse over a Tab". In this article, we have already introduced three forms of tabs similar to IE browser.
Over the past few years, function libraries have contributed a lot to the sudden popularity of JavaScript. JavaScript developers solve this problem. In addition, developers can develop solutions for problems they are interested in and apply these
The types of Mootools mainly include the following parts: String; Number: Number; Array: Array; Object: Object; Json:; Cookie :.
This is also the focus of our speech today. each data type Mt has extended its own method, which can be seen through the
I have read javascript call in the tutorial video. This method is very common in ExtJs.In the past, when ExtJs was involved, the initComponent code was always ignored, as shown below. Today, when reading other people's code, I found that the called
There are too many Ajax controls and class libraries now. Without knowing it, the mystery and complexity of Ajax have been added. Many people in the version are puzzled and worried about this, I decided to post this post to talk about my views on
Today, I modified a bug and used ajax to query data. In Google's browser, I can get the latest data. In IE, I got old data, but I cannot get the latest data, I found the IE cache again.It is found that the ajax request uses the get method. The URL
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