2024年9月24日 · XMLHttpRequest (XHR) objects are used 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.

All modern browsers have a built-in XMLHttpRequest object to request data from a server. The XMLHttpRequest object can be used to request data from a web server. The XMLHttpRequest object is a developers dream, because you can:

XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. [1] The methods allow a browser-based application to send requests to the server after page loading is …

2024年10月28日 · In this guide, we'll take a look at how to use XMLHttpRequest to issue HTTP requests in order to exchange data between the website and a server. Examples of both common and more obscure use cases for XMLHttpRequest …

2022年5月14日 · XMLHttpRequest is a built-in browser object that allows to make HTTP requests in JavaScript. Despite having the word “XML” in its name, it can operate on any data, not only in XML format. We can upload/download files, track progress and much more. Right now, there’s another, more modern method fetch, that somewhat deprecates XMLHttpRequest.

2023年12月21日 · XMLHttpRequest (XHR) is a JavaScript API to create HTTP requests. Its methods provide the ability to send network requests between the browser and a server. The Fetch API is the modern replacement for XMLHttpRequest.

2019年8月12日 · XMLHttpRequest is a built-in browser object in all modern browsers that can be used to make HTTP requests in JavaScript to exchange data between the web browser and the server. Despite the word "XML" in its name, XMLHttpRequest can be used to retrieve any kind of data and not just XML.

XMLHttpRequest is a JavaScript object that provides the ability to send HTTP or HTTPS requests to a web server and load the server response data back into the script. This makes it possible to update parts of a web page without reloading the entire page.

To send a request to a server, you can use the open () and send () methods of the XMLHttpRequest object: For security reasons, modern browsers do not allow access across domains. This means that both the web page and the XML file it tries to load, must be located on the same server.

2025年1月21日 · The XMLHttpRequest Standard defines an API that provides scripted client functionality for transferring data between a client and a server. 1. Introduction. This section is non-normative. The XMLHttpRequest object is an API for fetching resources. The name XMLHttpRequest is historical and has no bearing on its functionality.