Glossary Index

Explore the glossary map Open a larger visual map of glossary categories and related terms without adding weight to the initial index load.
Showing 1,151–1,200 of 2,660 terms.
H
184 terms
HTML body element
The body HTML element represents the content of an HTML document.
HTML br element
The br HTML element produces a line break in text (carriage-return).
HTML button element
The button HTML element is an interactive element activated by a user with a mouse, keyboard, finger, voice command, or other assistive technology.
HTML canvas element
Use the HTML canvas element with either the canvas scripting API or the WebGL API to draw graphics and animations.
HTML caption element
The caption HTML element specifies the caption (or title) of a table, providing the table an accessible name or accessible description.
HTML cite element
The cite HTML element is used to mark up the title of a creative work.
HTML code element
The code HTML element displays its contents styled in a fashion intended to indicate that the text is a short fragment of computer code.
HTML col element
The col HTML element defines one or more columns in a column group represented by its parent colgroup element.
HTMLCollection.item()
The HTMLCollection method item() returns the element located at the specified offset into the collection.
HTMLCollection.namedItem()
The namedItem() method of the HTMLCollection interface returns the first Element in the collection whose id or name attribute match the specified name, or null if no element matches.
HTML color codes
HTML color codes is a defacto general term used to describe the earliest-available methods for specifying colors on web pages.
HTML data element
The data HTML element links a given piece of content with a machine-readable translation.
HTML datalist element
The datalist HTML element contains a set of option elements that represent the permissible or recommended options available to choose from within other controls.
HTML dd element
The dd HTML element provides the description, definition, or value for the preceding term (dt) in a description list (dl).
HTML del element
The del HTML element represents a range of text that has been deleted from a document.
HTML details element
The details HTML element creates a disclosure widget in which information is visible only when the widget is toggled into an open state.
HTML dialog element
The dialog HTML element represents a modal or non-modal dialog box or other interactive component, such as a dismissible alert, inspector, or subwindow.
HTMLDialogElement.returnValue
The returnValue property of the HTMLDialogElement interface is a string representing the return value for a dialog element when it's closed.
HTMLDialogElement.showModal()
The showModal() method of the HTMLDialogElement interface displays the dialog as a modal dialog, over the top of any other dialogs or elements that might be visible.
HTML div element
The div HTML element is the generic container for flow content.
HTML dt element
The dt HTML element specifies a term in a description or definition list, and as such must be used inside a dl element.
HTML embed element
The embed HTML element embeds external content at the specified point in the document.
htmlentities()
htmlentities() — Convert all applicable characters to HTML entities.
HTML fieldset element
The fieldset HTML element is used to group several controls as well as labels (label) within a web form.
HTML figcaption element
The figcaption HTML element represents a caption or legend describing the rest of the contents of its parent figure element, providing the figure an accessible name.
HTML figure element
The figure HTML element represents self-contained content, potentially with an optional caption, which is specified using the figcaption element.
HTML footer element
The footer HTML element represents a footer for its nearest ancestor sectioning content or sectioning root element.
HTML form element
The form HTML element represents a document section containing interactive controls for submitting information.
HTMLFormElement.checkValidity()
The checkValidity() method of the HTMLFormElement interface returns a boolean value which indicates if all associated controls meet any constraint validation rules applied to them.
HTML head element
The head HTML element contains machine-readable information (metadata) about the document, like its title, scripts, and style sheets.
HTML header element
The header HTML element represents introductory content, typically a group of introductory or navigational aids.
HTML heading_elements element
The h1 to h6 HTML elements represent six levels of section headings. h1 is the highest section level and h6 is the lowest.
HTML hr element
The hr HTML element represents a thematic break between elements: for example, a change of scene in a story, or a shift of topic within a section.
HTML html element
The html HTML element represents the root (top-level element) of an HTML document, so it is also referred to as the root element.
HTML i element
The i HTML element represents a range of text that is set off from the normal text for some reason, such as idiomatic text, technical terms, taxonomical designations, among others.
HTML iframe element
The iframe HTML element represents a nested browsing context, embedding another document into the current one.
HTML input element
The input HTML element is used to create interactive controls for web-based forms in order to accept data from the user; a wide variety of types of input data and control widgets are available, depending on the device and user agent.
HTMLInputElement.accept
The accept property of the HTMLInputElement interface reflects the input element's accept attribute, generally a comma-separated list of unique file type specifiers providing a hint for the expected file type for an input of type file.
HTMLInputElement.alt
The alt property of the HTMLInputElement interface defines the textual label for the button for users and user agents who cannot use the image.
HTMLInputElement.checkValidity()
The checkValidity() method of the HTMLInputElement interface returns a boolean value which indicates if the element meets any constraint validation rules applied to it.