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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.
Parses a frame's arguments, returning either the provided named arguments in arg_list if found or the positional parameters instead if not. This is designed to work around the stripping of values that takes place for defined parameters which could be important.
In computer hypertext, a URI fragment is a string of characters that refers to a resource that is subordinate to another, primary resource. The primary resource is identified by a Uniform Resource Identifier (URI), and the fragment identifier points to the subordinate resource.
URL is a useful but informal concept: a URL is a type of URI that identifies a resource via a representation of its primary access mechanism (e.g., its network "location"), rather than by some other attributes it may have. [19] As such, a URL is simply a URI that happens to point to a resource over a network.
As part of a GET request, some data can be passed within the URL's query string, specifying (for example) search terms, date ranges, or other information that defines the query. As part of a POST request, an arbitrary amount of data of any type can be sent to the server in the body of the request message.
The base64 extension is distinguished from any media type parameters by virtue of not having a =value component and by coming after any media type parameters. Since Base64 encoded data is approximately 33% larger than original data, it is recommended to use Base64 data URIs only if the server supports HTTP compression or embedded files are ...
However, the order of parameters in a URI may be significant (this is not defined by the standard) and a web server may allow the same variable to appear multiple times. [9] Removing unused query variables. A page may only expect certain parameters to appear in the query; unused parameters can be removed. Example:
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 ;