// 创建 XMLHttpRequest 对象 var xhr = new XMLHttpRequest(); // 配置请求 xhr.open('GET', 'https://api.example.com/data', true); // 设置响应类型 xhr.responseType = 'json'; // 注册回调函数 xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200)...
但确实是Garrett最早提出了这个好名字,否则我们就得啰啰嗉嗉地说上大堆:异步(Asynchronous)、 XMLHttpRequest、 JavaScript. CSS、DOM 等等。 尽管原来把Ajax认为是Asynchronous JavaScript + XML (异步 JavaScript + XML)的缩写,但如今,这个词的覆盖面有所扩展,把允许浏览器与服务器通信而无需刷新当前页面的技术都...
使用原生JavaScript调用API可以通过XMLHttpRequest对象来发送HTTP请求。下面是一个示例代码: varxhr =newXMLHttpRequest();// 创建XMLHttpRequest对象xhr.open('GET','https://api.example.com/data');// 设置请求的URL和类型(这里为GET)xhr.onreadystatechange=function() {// 定义状态改变时的处理函数if(xhr.rea...
XMLHttpRequest.responseURL属性是字符串,表示发送数据的服务器的网址。 varxhr=newXMLHttpRequest();xhr.open('GET','http://example.com/test',true);xhr.onload=function(){// 返回 http://example.com/testconsole.log(xhr.responseURL);};xhr.send(null); 注意,这个属性的值与open()方法指定的请求网址...
向服务器发送数据的最基本方式是自己收集并格式化它。下面代码展示了添加到前面的HTML文档 example.html 的一段脚本。用的就是这种方式: <!DOCTYPE html>手动收集和发送数据.table{display:table;}.row{display:table-row;}.cell{display:table-cell;padding:5px;}.lable{text-align:right;}<formid="fruitform"...
AJAX is an Asynchronous Request which is mostly used in different websites to load the content without refreshing the whole page. For example, you can see the cricinfo, it will automatically update dynamically without any refreshing the page, the request to the server is sent without any reload...
A simple AJAX example Create a simple XMLHttpRequest, and retrieve data from a TXT file. An AJAX example with a callback function Create a XMLHttpRequest with a callback function, and retrieve data from a TXT file. Examples explained ...
The "ajax_info.txt" file used in the example above, is a simple text file and looks like this:AJAXAJAX is not a programming language.AJAX is a technique for accessing web servers from a web page.AJAX stands for Asynchronous JavaScript And XML. What is AJAX?AJAX = Asynchronous JavaScript ...
the Request Processing Lifecycle. If a literal is specified the ids must be space delimited. Any of the keywords "@this", "@form", "@all", "@none" may be specified in the id list.If not specified, the default value of "@this" is assumed. For example,@this clientIdOne clientIdTwo...
Most jQuery applications don't in fact use XML, despite the name "Ajax"; instead, they transport data as plain HTML or JSON (JavaScript Object Notation). In general, Ajax does not work across domains. For instance, a webpage loaded from example1.com is unable to make an Ajax request to...