Glossary Index

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Showing 101–132 of 132 terms.
D
132 terms
Distributed Lease
Time-limited ownership in a distributed system, usually maintained through renewal and guarded against stale holders.
Distributed Lock
A coordination mechanism that controls access to a shared resource across processes or machines.
DNS
DNS (Domain Name System) is a hierarchical and decentralized naming system for Internet-connected resources.
DNS over HTTPS (DoH)
DNS over HTTPS (DoH) is a protocol for performing DNS resolution over an encrypted HTTPS connection.
dns_get_record()
dns_get_record() — Fetch DNS Resource Records associated with a hostname.
Doctype
In HTML, the doctype is the required !doctype html preamble found at the top of all documents.
Document.activeElement
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.
Document.getElementById()
The getElementById() method of the Document interface returns an Element object representing the element whose id property matches the specified string.
Document.querySelector()
The Document method querySelector() returns the first Element within the document that matches the specified CSS selector, or group of CSS selectors.
Document.querySelectorAll()
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.
DocumentFragment.append()
The DocumentFragment.append() method inserts a set of Node objects or strings after the last child of the document fragment.
DocumentFragment.children
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.
DocumentFragment.getElementById()
The getElementById() method of the DocumentFragment returns an Element object representing the element whose id property matches the specified string.
DocumentFragment.moveBefore()
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()
doing_action(): Returns whether or not an action hook is currently being processed.
doing_filter()
doing_filter(): Returns whether or not a filter hook is currently being processed.
DOM (Document Object Model)
The DOM (Document Object Model) is an API that represents and interacts with any HTML or XML-based markup language document.
Domain
A domain is an authority within the internet that controls its own resources.
dominant-baseline
The dominant-baseline CSS property specifies the specific baseline used to align the box's text and inline-level contents.
DOMTokenList.add()
The add() method of the DOMTokenList interface adds the given tokens to the list, omitting any that are already present.
DOMTokenList.contains()
The contains() method of the DOMTokenList interface returns a boolean value — true if the underlying list contains the given token, otherwise false.
DOMTokenList.forEach()
The forEach() method of the DOMTokenList interface calls the callback given in parameter once for each value pair in the list, in insertion order.
DOMTokenList.item()
The item() method of the DOMTokenList interface returns an item in the list, determined by its position in the list, its index.
do_action()
do_action(): Calls the callback functions that have been added to an action hook.
do_enclose()
do_enclose(): Checks content for video and audio links to add as enclosures.
do_feed()
do_feed(): Loads the feed template from the use of an action hook.
do_shortcode()
do_shortcode(): Searches content for shortcodes and filter shortcodes through their hooks.
dynamic-range-limit
The dynamic-range-limit CSS property specifies the maximum luminance allowed for High Dynamic Range (HDR) content.