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XHTML. XHTML (Extensible HyperText Markup Language) is a family of XML markup languages that mirror or extend versions of the widely used Hypertext Markup Language (HTML), the language in which web pages are written.


While HTML (prior to HTML5) was defined as an application of Standard Generalized Markup Language (SGML), a very flexible markup language framework, XHTML is an application of XML, a more restrictive subset of SGML. Because XHTML documents need to be well-formed, they can be parsed using standard XML parsers—unlike HTML, which requires a lenient HTML-specific parser.

XHTML 1.0 became a World Wide Web Consortium (W3C) Recommendation on January 26, 2000. XHTML 1.1 became a W3C Recommendation on May 31, 2001. The standard known as XHTML5 is currently developed as XML serialization of HTML5 spec.[1][2] Overview[edit] However, in 2005, the Web Hypertext Application Technology Working Group (WHATWG) formed, independently of the W3C, to work on advancing ordinary HTML not based on XHTML. Css selectors - In CSS what is the difference between "." and "#" when declaring a set of styles. "Как сделать сайт самому" - пособие для чайников. Элемент base. Элемент <base> не выводит никакого контента и выполняет исключительно служебную функцию — позволяет указать базовый URL, относительно которого будут устанавливаться другие адреса, например, для изображений и ссылок.

Элемент base

Также <base> задаёт значение атрибута target, которое по умолчанию применяется ко всем ссылкам. В документе разрешается иметь только один <base>. Атрибут href. Paste Date Time Picker. Home / Free JavaScripts / Clocks, Calendars, And Timers / Here Description: Date Time Picker allows your visitors to easily input a date/time into a form field, by selecting it from a popup window.

Paste Date Time Picker

Supports output dates in various formats such as: dd/MM/yyyy, dd/MMM/yyyy, MM/dd/yyyy etc. An extremely versatile script. HTML5. УЧЕБНИК HTML 5. Скачать учебник по html 5 css 3 и Web 2.0. Автор: Дронов В.

УЧЕБНИК HTML 5. Скачать учебник по html 5 css 3 и Web 2.0

Forms : Hidden Field. HTML5 Security Cheat Sheet. Last revision (mm/dd/yy): 09/9/2015 The following cheat sheet serves as a guide for implementing HTML 5 in a secure fashion.

HTML5 Security Cheat Sheet

Web Messaging Web Messaging (also known as Cross Domain Messaging) provides a means of messaging between documents from different origins in a way that is generally safer than the multiple hacks used in the past to accomplish this task. However, there are still some recommendations to keep in mind: Cross Origin Resource Sharing WebSockets Drop backward compatibility in implemented client/servers and use only protocol versions above hybi-00. Server-Sent Events Validate URLs passed to the EventSource constructor, even though only same-origin URLs are allowed. Local Storage Client-side databases It is possible to have a fine-grained control over iframe capabilities using the value of the sandbox attribute. Свойство font-family позволяет выбрать шрифт для отображения текста.

Можно указать несколько названий шрифтов через запятую, тогда браузер воспользуется первым шрифтом из списка, найденным на компьютере пользователя. Если в имени шрифта есть пробелы, его необходимо заключить в двойные или одинарные кавычки. World Wide Web Consortium (W3C) URI Роутинг : CodeIgniter, руководство пользователя. Документация ExpressionEngine. Lab · CSSKarma. Backbone.js. Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.


The project is hosted on GitHub, and the annotated source code is available, as well as an online test suite, an example application, a list of tutorials and a long list of real-world projects that use Backbone. Backbone is available for use under the MIT software license. You can report bugs and discuss features on the GitHub issues page, on Freenode IRC in the #documentcloud channel, post questions to the Google Group, add pages to the wiki or send tweets to @documentcloud. Adding YouTube Videos To Website, 4 Methods. This is the advanced example.

Adding YouTube Videos To Website, 4 Methods

It uses the jw flv player to create a flash proxy. This basically lets me control the youtube video as if it were a local .f4v file. With this method I can specify any options, autostart, volume, playlists, etc.. But it's rather complex so lets start with 3 other methods to embed YouTube video. Flash Embedding Javascript ^ This javascript library is just like jquery, but for flash. Learning to Love HTML5 - Smashing Magazine. Advertisement It seems that new resources and articles for teaching and promoting HTML5 are popping up almost daily.

Learning to Love HTML5 - Smashing Magazine

We’ve been given HTML5 templates in the form of the HTML5 boilerplate1 and HTML5 Reset2 (although they both go beyond just HTML5 stuff). We’ve got a plethora of books3 to choose from that cover HTML5 and its related technologies. We’ve got shivs4, galleries5, and a physician6 to help heal your HTML5 maladies. And don’t forget the official spec7. From my own vantage point — aside from a few disputes8 about what the term “HTML5″ should and shouldn’t mean — the web design and development community has for the most part embraced all the new technologies and semantics with a positive attitude.

Flickr Photo by Jeremy Keith9 While it’s certainly true that HTML5 has the potential to change the web for the better, the reality is that these kinds of major changes can be difficult to grasp and embrace. Ultimate CSS Gradient Generator - /* Permalink - use to edit and share this gradient: */ background: #1e5799; /* Old browsers */ background: -moz-linear-gradient(top, #1e5799 0%, #2989d8 50%, #207cca 51%, #7db9e8 100%); /* FF3.6+ */

Ultimate CSS Gradient Generator -