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Implementations of these interface elements are available through JavaScript libraries such as jQuery. HTML 4 introduced the <label> tag, which is intended to represent a caption in a user interface, and can be associated with a specific form control by specifying the id attribute of the control in the label tag's for attribute. [1]
target (Deprecated in the map, link and form elements.) attribute on a, client-side image-map (map), link, form and base elements The Frameset version includes everything in the Transitional version, as well as the frameset element (used instead of body) and the frame element.
HTML attributes are special words used inside the opening tag to control the element's behaviour. HTML attributes are a modifier of a HTML element type. An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them. In HTML syntax, an attribute is added to a HTML start tag.
An HTML document is composed of a tree of simple HTML nodes, such as text nodes, and HTML elements, which add semantics and formatting to parts of a document (e.g., make text bold, organize it into paragraphs, lists and tables, or embed hyperlinks and images). Each element can have HTML attributes specified. Elements can also have content, including other elements and text.
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference. This article lists ...
New attributes were introduced, some elements and attributes were removed, and others such as <a>, <cite>, and <menu> were changed, redefined, or standardized. The APIs and Document Object Model (DOM) are now fundamental parts of the HTML5 specification, [8] and HTML5 also better defines the processing for any invalid documents.
It is common for <span> and <div> elements to carry class or id attributes in conjunction with CSS to apply layout, typographic, color, and other presentation attributes to parts of the content.
HTML attributes HTML attributes are often needed for various reasons. An attribute takes the basic form attribute="value", where combining multiple repeats this with attribute="value" attribute2="value2". Important points to realize: All table markup, except table end (|}), can have attributes added.