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In the article Langridge argued for a way to keep all JavaScript code, including event handlers, outside of the HTML when using dynamic HTML (DHTML). [7] He said that the purpose of this kind of organization of code was "providing a better user experience for people whose browsers can support it, and not affecting those whose browsers cannot ...
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.
A media type can be declared in the head of an HTML document using the "media" attribute inside of a < link > element. The value of the "media" attribute specifies on what device the linked document will be displayed. [10] Media types can also be declared within XML processing instructions, the @ import at-rule, and the @ media at-rule.
Web standards are the formal, non-proprietary standards and other technical specifications that define and describe aspects of the World Wide Web.In recent years, the term has been more frequently associated with the trend of endorsing a set of standardized best practices for building web sites, and a philosophy of web design and development that includes those methods.
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
Lea Verou's -prefix-free polyfill is such a polyfill, allowing current browsers to recognise the unprefixed versions of several CSS3 properties instead of requiring the developer to write out all the vendor prefixes. It reads the page's stylesheets and replaces any unprefixed properties with their prefixed counterparts recognised by the current ...
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. Using a technique called AJAX , JavaScript code can also actively retrieve content from the web (independent of the original HTML page retrieval), and also react to server-side events as well ...
HTML Tidy is a software tool available for many platforms which can correct invalid syntax, and most invalid document structure, converting HTML-like code to HTML or XHTML. Aggiorno is a Visual Studio add-in that focuses on making websites standards-compliant