使用XMLHTTPrequest对象 使用XMLHttpRequest对象发送请求和处理响应之前,必须先写JavaScript创建一个XMLHttpRequest对象。 由于XMLHttpRequest并不是一个W3C标准,可以采用多种方法创建,Internet Explorer把XMLHttpRequest实现为一个ActiveXObject对象,其他浏览器把它实现为本地的Javascript对象。 代码语言:javascript 代码运行次数:...
For example, try typing in "Bach," "Mozart," or "Stravinsky," then click on one of the selections to see composer details. 向该页面中添加一个 HTML 表单。可以利用 IDE 组件面板中列出的元素执行此操作。如果组件面板没有打开,请从主菜单中选择“窗口”>“组件面板”。然后,在“HTML 表单”...
Google Suggest is using AJAX to create a very dynamic web interface: When you start typing in Google's search box, a JavaScript sends the letters off to a server and the server returns a list of suggestions.Start Using AJAX TodayIn our PHP tutorial, we will demonstrate how AJAX can ...
The server page called by the JavaScript in the example from the previous chapters is a simple ASP file called "gethint.asp". 上一篇中被JS所调用的服务端ASP页面的名称为"gethint.asp" Below we have listed two examples of the server page code, one written in ASP and one in PHP. 下面我们...
PHP 代码: Html 及 JS 代码 xhr.send(FormData) Example document.querySelector('#afile').addEventListener('change', function(e) { var file = this.files[0]; var fd = new FormData(); fd..
xhr.open('GET','http://www.example.com/page.php',true); 上面代码向指定的服务器网址,发出 GET 请求。 然后,指定回调函数,监听通信状态(readyState属性)的变化。 ajax.onreadystatechange=handleStateChange;functionhandleStateChange(){// ...}
varjqxhr = $.ajax("example.php") .done(function(){ alert("success"); }) .fail(function(){ alert("error"); }) .always(function(){ alert("complete"); }); // Perform other work here ... // Set another completion function for the request above ...
(xhr.status===200){// Perfect!}else{// There was a problem with the request.// For example, the response may hava a 404 (Not Found)// or 500 (Internal Server Error) response code.}break;}}catch(e){// 通信错误的事件中(例如服务器宕机)alert('Caught Exception: '+e.description)}/...
PHP Piece [gist id=”69a305053e35a10584f94d6011bba2d6″ file=”simple-ajax-example.php” lines=”1-27″] Using with a Theme There’s two differences when using this with a theme or frontend. PHP Update In the PHP piece, you need to add also add this line: ...
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...