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<resolution>
The
<resolution> CSS data types, used in media queries, denotes the density of pixels of an output device, its resolution. It is a <number> immediately followed by a unit of resolution (dpi, dpcm, ...). Like for any CSS dimension, there is no space between the unit literal and the number.revert
The
revert CSS keyword rolls back the cascade so that the property takes on the value it would have had if there were no styles in the current style origin (author, user, or user-agent). In author stylesheets (the normal case), for the purposes of the given declaration, it's as if there were no author-level styles, thus resetting the property to the default value established by the user-agent stylesheet (or by user styles, if any exist).Specificity
Specificity is the means by which browsers decide which CSS property values are the most relevant to an element and, therefore, will be applied. Specificity is based on the matching rules which are composed of CSS selectors of different sorts.
<string>
The
<string> CSS data type represents a string. It is formed by a Unicode characters delimited by either double (") or single (') quotes. A double quoted string cannot contain double quotes unless escaped using a backslash (\). The same practice applies for single quoted strings, they cannot contain single quotes unless escaped using a backslash (\). The backslash character must be escaped to be part of the string.AbstractWorker
The
AbstractWorker interface of the Web Workers API abstracts properties and methods common to all kind of workers, being Worker or SharedWorker.AnalyserNode
The
AnalyserNode interface represents a node able to provide real-time frequency and time-domain analysis information. It is an AudioNode that passes the audio stream unchanged from the input to the output, but allows you to take the generated data, process it, and create audio visualizations.AudioContext
An
AudioContext can be a target of events, therefore it implements the EventTarget interface.AudioDestinationNode
AudioDestinationNode has no output (as it is the output, no more AudioNode can be linked after it in the audio graph) and one input. The amount of channels in the input must be between 0 and the maxChannelCount value or an exception is raised.AudioParam
There are two kinds of
AudioParam, a-rate and k-rate parameters:AudioParam.setValueCurveAtTime()
A reference to this
AudioParam object. In some browsers older implementations of this interface return void.
Transformations
Before we look at the transformation methods, let's look at two other methods which are indispensable once you start generating ever more complex drawings.
CanvasCaptureMediaStream
The
CanvasCaptureMediaStream interface represents a MediaStream capturing in real-time the surface of an HTMLCanvasElement.