Glossary Index

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Showing 101–146 of 146 terms.
R
146 terms
Representation header
A representation header (or 'representation metadata') is an HTTP header that describes how to interpret the data contained in the message.
Reproduction Steps
Reproduction steps describe the exact sequence that triggers a reported problem, along with the starting conditions and expected result.
Request()
The Request() constructor creates a new Request object.
Request.arrayBuffer()
The arrayBuffer() method of the Request interface reads the request body and returns it as a promise that resolves with an ArrayBuffer.
Request.formData()
The formData() method of the Request interface reads the request body and returns it as a promise that resolves with a FormData object.
Request.json()
The json() method of the Request interface reads the request body and returns it as a promise that resolves with the result of parsing the body text as JSON.
Request Coalescing
Combining concurrent requests for the same result into one shared in-flight operation.
Request header
A request header is an HTTP header that can be used in an HTTP request to provide information about the request context, so that the server can tailor the response.
require_if_theme_supports()
require_if_theme_supports(): Checks a theme's support for a given feature before loading the functions which implement it.
resize
The resize CSS property sets whether an element is resizable, and if so, in which directions.
ResizeObserver()
The ResizeObserver constructor creates a new ResizeObserver object, which can be used to report changes to the content or border box of an Element or the bounding box of an SVGElement.
ResizeObserver.observe()
The observe() method of the ResizeObserver interface starts observing the specified Element or SVGElement.
Response()
The Response() constructor creates a new Response object.
Response.json()
The json() method of the Response interface takes a Response stream and reads it to completion.
Response.text()
The text() method of the Response interface takes a Response stream and reads it to completion.
Response header
A response header is an HTTP header that can be used in an HTTP response and that doesn't relate to the content of the message.
Responsive Design
Responsive design adapts a website's layout and presentation to available viewport space and user needs.
REST
REST (Representational State Transfer) refers to a group of software architecture design constraints that bring about efficient, reliable and scalable distributed systems.
REST API
A REST API exposes resources through an interface guided by representational state transfer constraints, including stateless communication and a uniform interface.
Restore Point
A restore point is a known set of backups and version information that can return an application to a defined earlier state.
rest_are_values_equal()
rest_are_values_equal(): Checks the equality of two values, following JSON Schema semantics.
rest_ensure_response()
rest_ensure_response(): Ensures a REST response is a response object (for consistency).
rest_filter_response_fields()
rest_filter_response_fields(): Filters the REST API response to include only an allow-listed set of response object fields.
rest_get_date_with_gmt()
rest_get_date_with_gmt(): Parses a date into both its local and UTC equivalent, in MySQL datetime format.
rest_is_field_included()
rest_is_field_included(): Given an array of fields to include in a response, some of which may be nested.fields, determine whether the provided field should be included in the response body.
rest_send_allow_header()
rest_send_allow_header(): Sends the "Allow" header to state all methods that can be sent to the current route.
rest_validate_enum()
rest_validate_enum(): Validates that the given value is a member of the JSON Schema "enum".
retrieve_widgets()
retrieve_widgets(): Validates and remaps any "orphaned" widgets to wp_inactive_widgets sidebar, and saves the widget settings.
Retry Budget
A limit on aggregate retry work that prevents repeated attempts from overwhelming a struggling service.
right
The right CSS property participates in specifying the horizontal position of a positioned element.
Robots Meta Tag
A robots meta tag gives supported crawlers page-level indexing or presentation instructions, such as noindex.
rotate
The rotate CSS property allows you to specify rotation transforms individually and independently of the transform property.
row-gap
The row-gap CSS property sets the size of the gap (gutter) between an element's rows in multi-column, flexible box, and grid layouts.
ruby-align
The ruby-align CSS property defines the distribution of the different ruby elements over the base.
ruby-overhang
The ruby-overhang CSS property specifies whether or not a ruby annotation overhangs any surrounding text.
ruby-position
The ruby-position CSS property defines the position of a ruby element relative to its base element.
rx
The rx CSS property defines the x-axis, or horizontal, radius of an SVG ellipse and the horizontal curve of the corners of an SVG rect rectangle.
ry
The ry CSS property defines the y-axis, or vertical, radius of an SVG ellipse and the vertical curve of the corners of an SVG rect rectangle.