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W3C Markup Validation Service. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition (DTD). Markup validation is an important step towards ensuring the technical quality of web pages.
Query string. A query string is a part of a uniform resource locator (URL) 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.
HTML form. A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product ...
In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker). [ 1][ 2] SQL injection must exploit a security vulnerability in an application's software, for example, when ...
Dynamic HTML, or DHTML, is a term which was used by some browser vendors to describe the combination of HTML, style sheets and client-side scripts ( JavaScript, VBScript, or any other supported scripts) that enabled the creation of interactive and animated documents. [ 1][ 2] The application of DHTML was introduced by Microsoft with the release ...
The Document Object Model ( DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.
HTML email. HTML email is the use of a subset of HTML to provide formatting and semantic markup capabilities in email that are not available with plain text: [1] Text can be linked without displaying a URL, or breaking long URLs into multiple pieces. Text is wrapped to fit the width of the viewing window, rather than uniformly breaking each ...
A web service ( WS) is either: a service offered by an electronic device to another electronic device, communicating with each other via the Internet, or. a server running on a computer device, listening for requests at a particular port over a network, serving web documents ( HTML, JSON, XML, images). [citation needed] In a web service, a web ...