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.
View glossary map
Hide glossary map
Showing 501–550 of 2,660 terms.
D
132 terms
delete_network_option(): Removes a network option by name.
delete_post_meta(): Deletes a post meta field for the given post ID.
delete_term_meta(): Removes metadata matching criteria from a term.
delete_user_meta(): Removes metadata matching criteria from a user.
delete_user_option(): Deletes user option with global blog capability.
delete_user_setting(): Deletes user interface settings.
The term delta refers to the difference between two values or states.
Denial of Service (DoS) is a category of network attack that consumes available server resources, typically by flooding the server with requests.
Deno is a runtime environment for JavaScript, TypeScript, and WebAssembly.
Deprecation marks an interface as discouraged while giving consumers time to migrate to a supported replacement.
Deserialization is the process whereby a lower-level format (e.g., that has been transferred over a network, or stored in a data store) is translated into a readable object or other data structure.
A design token is a named value representing a reusable design decision, such as a brand color, spacing step, or type scale.
Developer tools (or "development tools" or short "DevTools") are programs that allow a developer to create, test and debug software.
A device pixel is the smallest physical display unit capable of displaying a full color independent of its neighbor.
A digital certificate is a data file that binds a publicly known cryptographic key to an organization.
A digital signature is an object that can be used to authenticate the author of a document or message.
Warning: Where possible, authors are encouraged to avoid using the direction CSS property and use the HTML dir global attribute instead.
A read of another transaction's uncommitted data, which may later be rolled back.
disabled(): Outputs the HTML disabled attribute.
discover_pingback_server_uri(): Finds a pingback server URI based on the given URL.
The display CSS property sets whether an element is treated as a block or inline box and the layout used for its children, such as flow layout, grid or flex.
Distributed Denial-of-Service (DDoS) is a type of DoS attack in which many compromised systems are made to attack a single target, in order to swamp server resources and block legitimate users.
Time-limited ownership in a distributed system, usually maintained through renewal and guarded against stale holders.
A coordination mechanism that controls access to a shared resource across processes or machines.
DNS (Domain Name System) is a hierarchical and decentralized naming system for Internet-connected resources.
DNS over HTTPS (DoH) is a protocol for performing DNS resolution over an encrypted HTTPS connection.
dns_get_record() — Fetch DNS Resource Records associated with a hostname.
In HTML, the doctype is the required !doctype html preamble found at the top of all documents.
The activeElement read-only property of the Document interface returns the Element within the DOM that is receiving keyboard events such as keydown and keyup.
The getElementById() method of the Document interface returns an Element object representing the element whose id property matches the specified string.
The Document method querySelector() returns the first Element within the document that matches the specified CSS selector, or group of CSS selectors.
The Document method querySelectorAll() returns a static (not live) NodeList representing a list of the document's elements that match the specified group of selectors.
The DocumentFragment.append() method inserts a set of Node objects or strings after the last child of the document fragment.
The read-only children property returns a live HTMLCollection which contains all of the child elements of the document fragment upon which it was called.
The getElementById() method of the DocumentFragment returns an Element object representing the element whose id property matches the specified string.
The moveBefore() method of the DocumentFragment interface moves a given Node inside the invoking DocumentFragment as a direct child, before a given reference node.
doing_action(): Returns whether or not an action hook is currently being processed.
doing_filter(): Returns whether or not a filter hook is currently being processed.
The DOM (Document Object Model) is an API that represents and interacts with any HTML or XML-based markup language document.
A domain is an authority within the internet that controls its own resources.
The dominant-baseline CSS property specifies the specific baseline used to align the box's text and inline-level contents.
Warning: This method parses its input as HTML, writing the result into the DOM.
The add() method of the DOMTokenList interface adds the given tokens to the list, omitting any that are already present.
The contains() method of the DOMTokenList interface returns a boolean value — true if the underlying list contains the given token, otherwise false.
The forEach() method of the DOMTokenList interface calls the callback given in parameter once for each value pair in the list, in insertion order.
The item() method of the DOMTokenList interface returns an item in the list, determined by its position in the list, its index.
do_action(): Calls the callback functions that have been added to an action hook.
do_action_deprecated(): Fires functions attached to a deprecated action hook.
do_enclose(): Checks content for video and audio links to add as enclosures.
do_feed(): Loads the feed template from the use of an action hook.