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A concurrency hazard where a value returns to its earlier representation and hides intervening changes.
The abort() method of the AbortController interface aborts an asynchronous operation before it has completed.
The AbortSignal.abort() static method returns an AbortSignal that is already set as aborted (and which does not trigger an abort event).
The AbortSignal.any() static method takes an iterable of abort signals and returns an AbortSignal.
The reason read-only property returns a JavaScript value that indicates the abort reason.
The throwIfAborted() method throws the signal's abort reason if the signal has been aborted; otherwise it does nothing.
Abstraction in computer programming is a way to reduce complexity and allow efficient design and implementation in complex software systems.
Audit History is AC3 Frontend Auditor's stored-session review screen in alpha.10.
A Browsing Audit Session is the administrator-controlled capture workflow in AC3 Frontend Auditor.
AC3 Frontend Auditor is Jeff Brigman's experimental WordPress plugin for collecting frontend performance and page-structure evidence.
Resource Attribution groups AC3 Frontend Auditor's transfer observations by plugin, theme, WordPress core, site, or external host.
SPA Route Capture is AC3 Frontend Auditor's support for FluentCommunity and similar single-page interfaces that change routes without a full document load.
An accent is a typically bright color that contrasts with the more utilitarian background and foreground colors within a color scheme.
The accent-color CSS property supplies a preferred color for supported native interface controls, such as checkboxes, radio buttons, range inputs, and progress indicators.
Web accessibility means designing and implementing websites so people with disabilities can perceive, navigate and use them.
The accessibility tree contains accessibility-related information for most HTML elements.
An accessible description is the description of a user interface element that provides additional information to help users of assistive technology understand the UI element and its context.
An accessible name is the label assistive technology exposes for an interface element.
addslashes() — Quote string with slashes.
add_action(): Adds a callback function to an action hook.
add_comment_meta(): Adds meta data field to a comment.
add_editor_style(): Adds callback for custom TinyMCE editor stylesheets.
add_filter(): Adds a callback function to a filter hook.
add_image_size(): Registers a new image size.
add_metadata(): Adds metadata for the specified object.
add_network_option(): Adds a new network option.
add_option(): Adds a new option.
add_post_meta(): Adds a meta field to the given post.
add_post_type_support(): Registers support of certain features for a post type.
add_query_arg(): Retrieves a modified URL query string.
add_rewrite_endpoint(): Adds an endpoint, like /trackback/.
add_rewrite_rule(): Adds a rewrite rule that transforms a URL structure to a set of query vars.
add_rewrite_tag(): Adds a new rewrite tag (like %postname%).
add_role(): Adds a role, if it does not exist.
add_shortcode(): Adds a new shortcode.
add_site_option(): Adds a new option for the current network.
add_term_meta(): Adds metadata to a term.
add_theme_support(): Registers theme support for a given feature.
add_user_meta(): Adds meta data to a user.
adjacent_image_link(): Displays next or previous image link that has the same post parent.
adjacent_posts_rel_link(): Displays the relational links for the posts adjacent to the current post.
adjacent_post_link(): Displays the adjacent post link.
admin_url(): Retrieves the URL to the admin area for the current site.
A policy that accepts or rejects incoming work according to available capacity and defined resource limits.
Advanced Custom Fields is a WordPress plugin for defining extra content fields and organizing them into field groups.
The advance measure is the total space the glyph takes, either horizontally or vertically, depending on the current writing direction.
An explicitly requested lock whose protection depends on application code following a shared locking convention.
The AggregateError object represents an error when several errors need to be wrapped in a single error.
Parameters: errors An iterable of errors, may not actually be Error instances. message An optional human-readable description of the aggregate error. options An object that has the following properties: cause A property indicating the specific cause of the…
Asynchronous JavaScript and XML (Ajax, or AJAX) is a web development technique in which a web app fetches content from the server by making asynchronous HTTP requests, and uses the new content to update the relevant parts of the page without requiring a…