https://developer.mozilla.org › en-US › docs › Web › HTTP › Headers
HTTP headers - HTTP | MDN - MDN Web DocsHTTP headers let the client and the server pass additional information with an HTTP request or response. An HTTP header consists of its case-insensitive name followed by a colon (:), then by its value. Whitespace before the value is ignored.
https://developer.mozilla.org › fr › docs › Web › HTTP › Headers
En-têtes HTTP - HTTP | MDN - MDN Web DocsLes en-têtes de métadonnées pour les requêtes de récupération (fetch metadata request header) fournissent des informations à propos du contexte d'origine de la requête. Un serveur pourra les utiliser pour déterminer si une requête est autorisée, selon sa provenance et comment la ressource sera utilisée.
https://developer.mozilla.org › en-US › docs › Glossary › Request_header
Request header - MDN Web Docs Glossary: Definitions of Web-related ...A request header is an HTTP header that can be used in an HTTP request to provide information about the request context, so that the server can tailor the response. For example, the Accept-* headers indicate the allowed and preferred formats of the response.
https://en.wikipedia.org › wiki › List_of_HTTP_header_fields
List of HTTP header fields - WikipediaHTTP header fields are a list of strings sent and received by both the client program and server on every HTTP request and response. These headers are usually invisible to the end-user and are only processed or logged by the server and client applications.
https://devdoc.net › web › developer.mozilla.org › en-US › docs › HTTP › Headers.html
HTTP headers - HTTP | MDN - devdoc.netRequest header: Headers containing more information about the resource to be fetched or about the client itself. Response header: Headers with additional information about the response, like its location or about the server itself (name and version etc.).
The XMLHttpRequest.setRequestHeader() method sets the value of an HTTP request header. You must call setRequestHeader() after open(), but before send(). If this method is called several times with the same header, the values are merged into one single request header.
https://devdoc.net › web › developer.mozilla.org › en-US › docs › Web › API › Request › headers.html
Request.headers - Web APIs | MDN - devdoc.netThe headers read-only property of the Request interface contains the Headers object associated with the request. Syntax. var myHeaders = request .headers; Value. A Headers object. Example.
https://stackoverflow.com › questions › 220231
Accessing the web page's HTTP Headers in JavaScriptUse the following JavaScript code to get all the HTTP headers by performing a get request: var req = new XMLHttpRequest(); req.open('GET', document.location, true); req.send(null); req.onload = function() {
https://developer.mozilla.org › en-US › docs › Web › API › Request › headers
Request: headers property - Web APIs | MDN - MDN Web DocsLearn about the Request.headers property, including its type, code examples, specifications, and browser compatibility.
https://nodejs.org › api › http.html
HTTP | Node.js v22.9.0 DocumentationFlushes the request headers. For efficiency reasons, Node.js normally buffers the request headers until request.end() is called or the first chunk of request data is written. It then tries to pack the request headers and data into a single TCP packet.