AJAX – 创建 XMLHttpRequest 对象. XMLHttpRequest 用于在后台与服务器交换数据。 这意味着可以在不重新加载整个网页的情况下，对网页的某部分进行更新。
Using Ajax XMLHttpRequest object you can make many things easier. So many new things can't possible using HEAD request. This object allows you to making HTTP requests and receive responses from the server in the background, without requiring the user to submit the page to the server (without.
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The keystone of AJAX is the XMLHttpRequest object. The XMLHttpRequest object can be used to exchange data with a server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.
Ajax – onreadystatechange Property. Before we even think about sending data to the server, we must first write a function that will be able to receive The XMLHttpRequest object has a special property called onreadystatechange. onreadystatechange stores the function that will process the response.
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Use XMLHttpRequest (XHR) objects to interact with servers. You can retrieve data from a URL without having to do a full page refresh. This enables a Web page to update just part of a page without disrupting what the user is doing.
Synchronous XMLHttpRequest is in the process of being removed from the web standard, but this process can take many years. Modern developer tools are encouraged to warn about using synchronous requests and may throw an InvalidAccessError exception when it occurs.
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The XMLHttpRequest object is the key to AJAX. It has been available ever since Internet Explorer 5.5 was released in July 2000, but not fully discovered Different browsers use different methods to create an XMLHttpRequest object. Internet Explorer uses an ActiveXObject. Other browsers uses a built in.
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AJAX XMLHttpRequest – Learn AJAX in simple and easy steps starting from basic to advanced concepts with examples including What is AJAX?, Overview, Technologies, Examples, Browser Support, Action, XMLHttpRequest, Response, ActiveXObject, Msxml2.XMLHTTP.
Le concept d'AJAX L'objet XMLHttpRequest Dynamic Script Loading L'implementation DOM iFrame Loading Les cookies Images & Cookies Loading C'est très important d'écrire quelque chose, car XMLHttpRequest va être capable de récupérer ce qui a été écrit, sous forme de texte brut (comme.
XMLHttpRequest – An object of XMLHttpRequest is used for asynchronous communication between client and server. The XMLHttpRequest object is used to exchange data with a server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.