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A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.
request. open ('GET', '/api/message', true /* asynchronous */); For an asynchronous request, set a listener that will be notified when the request's state changes: request . onreadystatechange = listener ;
Each header consists of a name–value pair, where both the name and the value are null-terminated strings . The value can be an empty string, in which case the terminating null still remains. Neither name nor value can contain any embedded null bytes. These considerations are standard for C strings, but are often confusing for programmers used ...
If an entity is temporarily unavailable, this instructs the client to try again later. Value could be a specified period of time (in seconds) or a HTTP-date. [56] Example 1: Retry-After: 120; Example 2: Retry-After: Fri, 07 Nov 2014 23:59:59 GMT; Permanent RFC 9110: Server: A name for the server: Server: Apache/2.4.1 (Unix) Permanent RFC 9110 ...
These holes show up when the data provided by a web client, [11] most commonly in HTTP query parameters (e.g. HTML form submission), is used immediately by server-side scripts to parse and display a page of results for and to that user, without properly sanitizing the content.
the Document Object Model parsing interface or DOM interface; the Simple API for XML parsing interface or SAX interface; the Streaming API for XML or StAX interface (part of JDK 6; separate jar available for JDK 5) In addition to the parsing interfaces, the API provides an XSLT interface to provide data and structural transformations on an XML ...
A URI that links to a JSON document can specify a pointer to a specific value. [22] For example, a URL ending in #/foo could be used to extract the value from a key-value pair in a document beginning with { "foo": ["bar", "baz"], ... } In URIs for MIME application/pdf documents PDF viewers recognize a number of fragment identifiers.
The XML-RPC protocol was created in 1998 by Dave Winer of UserLand Software and Microsoft, [2] with Microsoft seeing the protocol as an essential part of scaling up its efforts in business-to-business e-commerce. [3]