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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 ...
Another example is the Ajax programming technique, where, for example, clicking a hypertext link may cause JavaScript code to retrieve the text for a new price quotation to display in place of the current one within the page, without re-loading the whole page. When the new text arrives back from the server, the JavaScript must identify the ...
When a web page is loaded, the browser creates a Document Object Model of the page, which is an object oriented representation of an HTML document that acts as an interface between JavaScript and the document itself. This allows the creation of dynamic web pages, [13] because within a page JavaScript can:
Bootstrap is an HTML, CSS and JS library that focuses on simplifying the development of informative web pages (as opposed to web applications). The primary purpose of adding it to a web project is to apply Bootstrap's choices of color, size, font and layout to that project.
bodyContent – the main page content within the content box; The portlet class is the style used by all the div blocks around the main content. Identified blocks using that class: p-cactions – id for the list of page-related tabs above the main content (page, talk, edit, etc.), top.
CSS Flexible Box Layout, commonly known as Flexbox, [2] is a CSS web layout model. [4] It is in the W3C 's candidate recommendation (CR) stage. [ 2 ] The flex layout allows responsive elements within a container to be automatically arranged depending on viewport (device screen) size.
The CSS 1 test suite was created by Eric A. Meyer, Håkon Wium Lie and Tim Boland along with other contributors, finishing in 2018. [3] In late 1998 the first version of CSS 2 was released. In 1999 a revision (CSS 2.1) was released. [2] By 1999 there are 15 members working in "Cascading Style Sheets and Formatting Properties Working Group." [2]
The Cascading Style Sheets (CSS) specification describes how elements of web pages are displayed by graphical browsers. Section 4 of the CSS1 specification defines a "formatting model" that gives block-level elements—such as p and blockquote—a width and height, and three levels of boxes surrounding it: padding, borders, and margins. [4]