BroadcastChannel
BroadcastChannel allows scripts from the same origin but other browsing contexts (windows, workers) to send each other messages.
ch (character) unit
Unit representing the width of the character "0" in the current font, of particular use in combination with monospace fonts.
ChaCha20-Poly1305 cipher suites for TLS
A set of cipher suites used in Transport Layer Security (TLS) protocol, using ChaCha20 for symmetric encryption and Poly1305 for authentication.
Channel messaging
Method for having two-way communication between browsing contexts (using MessageChannel)
ChildNode.remove()
DOM node method to remove the node itself from the document.
CSS Anchor Positioning
Allows placing elements anywhere on the page relative to an "anchor element", without regard to the layout of other elements besides their containing block
CSS Filter Effects
Method of applying filter effects using the `filter` property to elements, matching filters available in SVG. Filter functions include blur, brightness, contrast, drop-shadow, grayscale, hue-rotate, invert, opacity, sepia and saturate.
:has() CSS relational pseudo-class
Select elements containing specific content. For example, `a:has(img)` selects all `<a>` elements that contain an `<img>` child.
LCH and Lab color values
The `lch()` and `lab()` color functions are based on the CIE LAB color space, representing colors in a way that closely matches human perception and provides access to a wider spectrum of colors than offered by the usual RGB color space.
selector list argument of :nth-child and :nth-last-child CSS pseudo-classes
The newest versions of `:nth-child()` and `:nth-last-child()` accept an optional `of S` clause which filters the children to only those which match the selector list `S`. For example, `:nth-child(1 of .foo)` selects the first child among the children that have the `foo` class (ignoring any non-`foo` children which precede that child). Similar to `:nth-of-type`, but for arbitrary selectors instead of only type selectors.
CSS touch-action property
touch-action is a CSS property that controls filtering of gesture events, providing developers with a declarative mechanism to selectively disable touch scrolling (in one or both axes) or double-tap-zooming.
Hashchange event
Event triggered in JavaScript when the URL's hash has changed (for example: page.html#foo to page.html#bar)
indeterminate checkbox
Indeterminate checkboxes are displayed in a state which is distinct both from being checked or being unchecked. They are commonly used in hierarchical checkboxes to indicate that only some of the checkbox's descendants are checked.
KeyboardEvent.charCode
A legacy `KeyboardEvent` property that gives the Unicode codepoint number of a character key pressed during a `keypress` event.
KeyboardEvent.which
A legacy `KeyboardEvent` property that is equivalent to either `KeyboardEvent.keyCode` or `KeyboardEvent.charCode` depending on whether the key is alphanumeric.
matches() DOM method
Method of testing whether or not a DOM element matches a given selector. Formerly known (and largely supported with prefix) as matchesSelector.
Touch events
Method of registering when, where and how the interface is touched, for devices with a touch screen. These DOM events are similar to mousedown, mousemove, etc.
CSS will-change property
Method of optimizing animations by informing the browser which elements will change and what properties will change.
audionode api: channelcount
audionode api: channelcountmode
channelmergernode api
channelsplitternode api
characterboundsupdateevent api
characterboundsupdateevent api: rangeend
characterboundsupdateevent api: rangestart
characterdata api
characterdata api: after
characterdata api: appenddata
characterdata api: before
characterdata api: data
characterdata api: deletedata
characterdata api: insertdata
characterdata api: length
characterdata api: nextelementsibling
characterdata api: previouselementsibling
characterdata api: remove
characterdata api: replacedata
characterdata api: replacewith
characterdata api: substringdata
document api: characterset
document api: childelementcount
document api: children
element api: checkvisibility
element api: checkvisibility: `options.contentvisibilityauto` parameter
element api: checkvisibility: `options.visibilityproperty` parameter
element api: childelementcount
element api: children
node api: childnodes
google chrome
google chrome for android
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