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  2. CS50 - Wikipedia

    en.wikipedia.org/wiki/CS50

    Additional video "walkthroughs" are recorded with professors and volunteer students. Course questions, called problem sets, or "psets" for short, are available in both PDF and HTML formats. Students can upload problem set answers, and some questions are graded by automation. Students can also use special software to check their code in the cloud.

  3. Front-end web development - Wikipedia

    en.wikipedia.org/wiki/Front-end_web_development

    JavaScript is an event-based imperative programming language (as opposed to HTML's declarative language model) that is used to transform a static HTML page into a dynamic interface. JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input.

  4. Tableless web design - Wikipedia

    en.wikipedia.org/wiki/Tableless_web_design

    Tableless web design (or tableless web layout) is a web design method that avoids the use of HTML tables for page layout control purposes. Instead of HTML tables, style sheet languages such as Cascading Style Sheets (CSS) are used to arrange elements and text on a web page .

  5. W3C Markup Validation Service - Wikipedia

    en.wikipedia.org/wiki/W3C_Markup_Validation_Service

    W3C Markup Validation Service. Tag certifying that a website has been checked for well-formed XHTML (above) and CSS (below) markup. 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.

  6. Web design - Wikipedia

    en.wikipedia.org/wiki/Web_design

    The Web Standards Project was formed and promoted browser compliance with HTML and CSS standards. Programs like Acid1, Acid2, and Acid3 were created in order to test browsers for compliance with web standards. In 2000, Internet Explorer was released for Mac, which was the first browser that fully supported HTML 4.01 and CSS 1.

  7. HTML5 - Wikipedia

    en.wikipedia.org/wiki/HTML5

    In 2011, however, the groups came to the conclusion that they had different goals: the W3C wanted to publish a "finished" version of "HTML5", while the WHATWG wanted to continue working on a Living Standard for HTML, continuously maintaining the specification rather than freezing it in a state with known problems, and adding new features as ...

  8. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    HTML. HyperText Markup Language ( HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript .

  9. Grid (graphic design) - Wikipedia

    en.wikipedia.org/wiki/Grid_(graphic_design)

    A grid applied within an image (instead of a page) using additional angular lines to guide proportions. In graphic design, a grid is a structure (usually two-dimensional) made up of a series of intersecting straight (vertical, horizontal, and angular) or curved lines ( grid lines) used to structure content.