ContentElement class Null safety

Inheritance
Annotations
  • @SupportedBrowser(SupportedBrowser.CHROME, '26')
  • @Native("HTMLContentElement")

Constructors

ContentElement()
factory
ContentElement.created()
Constructor instantiated by the DOM when a custom element has been created.

Properties

accessibleNode → AccessibleNode?
read-onlyinherited
assignedSlot → SlotElement?
read-onlyinherited
attributes ↔ Map<String, String>
All attributes on this element.
read / writeinherited
baseUri → String?
read-onlyinherited
borderEdge → CssRect
Access the dimensions and position of this element's content + padding + border box.
read-onlyinherited
childNodes → List<Node>
A list of this node's children.
read-onlyinherited
children ↔ List<Element>
List of the direct children of this element.
read / writeinherited
classes ↔ CssClassSet
The set of CSS classes applied to this element.
read / writeinherited
className ↔ String
read / writeinherited
client → Rectangle<num>
Gets the position of this element relative to the client area of the page.
read-onlyinherited
clientHeight → int
read-onlyinherited
clientLeft → int?
read-onlyinherited
clientTop → int?
read-onlyinherited
clientWidth → int
read-onlyinherited
computedName → String?
read-onlyinherited
computedRole → String?
read-onlyinherited
contentEdge → CssRect
Access this element's content position.
read-onlyinherited
contentEditable ↔ String
read / writeinherited
dataset ↔ Map<String, String>
Allows access to all custom data attributes (data-*) set on this element.
read / writeinherited
dir ↔ String?
read / writeinherited
documentOffset → Point<num>
Provides the coordinates of the element relative to the top of the document.
read-onlyinherited
draggable ↔ bool
Indicates whether the element can be dragged and dropped.
read / writeinherited
firstChild → Node?
The first child of this node.
read-onlyinherited
hashCode → int
The hash code for this object.
read-onlyinherited
hidden ↔ bool
Indicates whether the element is not relevant to the page's current state.
read / writeinherited
id ↔ String
read / writeinherited
inert ↔ bool?
read / writeinherited
innerHtml ↔ String?
Parses the HTML fragment and sets it as the contents of this element.
read / writeinherited
innerText ↔ String
read / writeinherited
inputMode ↔ String?
read / writeinherited
isConnected → bool?
read-onlyinherited
isContentEditable → bool?
read-onlyinherited
lang ↔ String?
read / writeinherited
lastChild → Node?
The last child of this node.
read-onlyinherited
localName → String
read-onlyinherited
marginEdge → CssRect
Access the dimensions and position of this element's content + padding + border + margin box.
read-onlyinherited
namespaceUri → String?
A URI that identifies the XML namespace of this element.
read-onlyinherited
nextElementSibling → Element?
read-onlyinherited
nextNode → Node?
The next sibling node.
read-onlyinherited
nodeName → String?
The name of this node.
read-onlyinherited
nodes ↔ List<Node>
A modifiable list of this node's children.
read / writeinherited
nodeType → int
The type of node.
read-onlyinherited
nodeValue → String?
The value of this node.
read-onlyinherited
nonce ↔ String?
read / writeinherited
offset → Rectangle<num>
Gets the offset of this element relative to its offsetParent.
read-onlyinherited
offsetHeight → int
read-onlyinherited
offsetLeft → int
read-onlyinherited
offsetParent → Element?
read-onlyinherited
offsetTop → int
read-onlyinherited
offsetWidth → int
read-onlyinherited
on → ElementEvents
This is an ease-of-use accessor for event streams which should only be used when an explicit accessor is not available.
read-onlyinherited
onAbort → ElementStream<Event>
Stream of abort events handled by this Element.
read-onlyinherited
onBeforeCopy → ElementStream<Event>
Stream of beforecopy events handled by this Element.
read-onlyinherited
onBeforeCut → ElementStream<Event>
Stream of beforecut events handled by this Element.
read-onlyinherited
onBeforePaste → ElementStream<Event>
Stream of beforepaste events handled by this Element.
read-onlyinherited
onBlur → ElementStream<Event>
Stream of blur events handled by this Element.
read-onlyinherited
onCanPlay → ElementStream<Event>
read-onlyinherited
onCanPlayThrough → ElementStream<Event>
read-onlyinherited
onChange → ElementStream<Event>
Stream of change events handled by this Element.
read-onlyinherited
onClick → ElementStream<MouseEvent>
Stream of click events handled by this Element.
read-onlyinherited
onContextMenu → ElementStream<MouseEvent>
Stream of contextmenu events handled by this Element.
read-onlyinherited
onCopy → ElementStream<ClipboardEvent>
Stream of copy events handled by this Element.
read-onlyinherited
onCut → ElementStream<ClipboardEvent>
Stream of cut events handled by this Element.
read-onlyinherited
onDoubleClick → ElementStream<Event>
Stream of doubleclick events handled by this Element.
read-onlyinherited
onDrag → ElementStream<MouseEvent>
A stream of drag events fired when this element currently being dragged.
read-onlyinherited
onDragEnd → ElementStream<MouseEvent>
A stream of dragend events fired when this element completes a drag operation.
read-onlyinherited
onDragEnter → ElementStream<MouseEvent>
A stream of dragenter events fired when a dragged object is first dragged over this element.
read-onlyinherited
onDragLeave → ElementStream<MouseEvent>
A stream of dragleave events fired when an object being dragged over this element leaves this element's target area.
read-onlyinherited
onDragOver → ElementStream<MouseEvent>
A stream of dragover events fired when a dragged object is currently being dragged over this element.
read-onlyinherited
onDragStart → ElementStream<MouseEvent>
A stream of dragstart events fired when this element starts being dragged.
read-onlyinherited
onDrop → ElementStream<MouseEvent>
A stream of drop events fired when a dragged object is dropped on this element.
read-onlyinherited
onDurationChange → ElementStream<Event>
read-onlyinherited
onEmptied → ElementStream<Event>
read-onlyinherited
onEnded → ElementStream<Event>
read-onlyinherited
onError → ElementStream<Event>
Stream of error events handled by this Element.
read-onlyinherited
onFocus → ElementStream<Event>
Stream of focus events handled by this Element.
read-onlyinherited
onFullscreenChange → ElementStream<Event>
Stream of fullscreenchange events handled by this Element.
read-onlyinherited
onFullscreenError → ElementStream<Event>
Stream of fullscreenerror events handled by this Element.
read-onlyinherited
onInput → ElementStream<Event>
Stream of input events handled by this Element.
read-onlyinherited
onInvalid → ElementStream<Event>
Stream of invalid events handled by this Element.
read-onlyinherited
onKeyDown → ElementStream<KeyboardEvent>
Stream of keydown events handled by this Element.
read-onlyinherited
onKeyPress → ElementStream<KeyboardEvent>
Stream of keypress events handled by this Element.
read-onlyinherited
onKeyUp → ElementStream<KeyboardEvent>
Stream of keyup events handled by this Element.
read-onlyinherited
onLoad → ElementStream<Event>
Stream of load events handled by this Element.
read-onlyinherited
onLoadedData → ElementStream<Event>
read-onlyinherited
onLoadedMetadata → ElementStream<Event>
read-onlyinherited
onMouseDown → ElementStream<MouseEvent>
Stream of mousedown events handled by this Element.
read-onlyinherited
onMouseEnter → ElementStream<MouseEvent>
Stream of mouseenter events handled by this Element.
read-onlyinherited
onMouseLeave → ElementStream<MouseEvent>
Stream of mouseleave events handled by this Element.
read-onlyinherited
onMouseMove → ElementStream<MouseEvent>
Stream of mousemove events handled by this Element.
read-onlyinherited
onMouseOut → ElementStream<MouseEvent>
Stream of mouseout events handled by this Element.
read-onlyinherited
onMouseOver → ElementStream<MouseEvent>
Stream of mouseover events handled by this Element.
read-onlyinherited
onMouseUp → ElementStream<MouseEvent>
Stream of mouseup events handled by this Element.
read-onlyinherited
onMouseWheel → ElementStream<WheelEvent>
Stream of mousewheel events handled by this Element.
read-onlyinherited
onPaste → ElementStream<ClipboardEvent>
Stream of paste events handled by this Element.
read-onlyinherited
onPause → ElementStream<Event>
read-onlyinherited
onPlay → ElementStream<Event>
read-onlyinherited
onPlaying → ElementStream<Event>
read-onlyinherited
onRateChange → ElementStream<Event>
read-onlyinherited
onReset → ElementStream<Event>
Stream of reset events handled by this Element.
read-onlyinherited
onResize → ElementStream<Event>
read-onlyinherited
onScroll → ElementStream<Event>
Stream of scroll events handled by this Element.
read-onlyinherited
onSearch → ElementStream<Event>
Stream of search events handled by this Element.
read-onlyinherited
onSeeked → ElementStream<Event>
read-onlyinherited
onSeeking → ElementStream<Event>
read-onlyinherited
onSelect → ElementStream<Event>
Stream of select events handled by this Element.
read-onlyinherited
onSelectStart → ElementStream<Event>
Stream of selectstart events handled by this Element.
read-onlyinherited
onStalled → ElementStream<Event>
read-onlyinherited
onSubmit → ElementStream<Event>
Stream of submit events handled by this Element.
read-onlyinherited
onSuspend → ElementStream<Event>
read-onlyinherited
onTimeUpdate → ElementStream<Event>
read-onlyinherited
onTouchCancel → ElementStream<TouchEvent>
Stream of touchcancel events handled by this Element.
read-onlyinherited
onTouchEnd → ElementStream<TouchEvent>
Stream of touchend events handled by this Element.
read-onlyinherited
onTouchEnter → ElementStream<TouchEvent>
Stream of touchenter events handled by this Element.
read-onlyinherited
onTouchLeave → ElementStream<TouchEvent>
Stream of touchleave events handled by this Element.
read-onlyinherited
onTouchMove → ElementStream<TouchEvent>
Stream of touchmove events handled by this Element.
read-onlyinherited
onTouchStart → ElementStream<TouchEvent>
Stream of touchstart events handled by this Element.
read-onlyinherited
onTransitionEnd → ElementStream<TransitionEvent>
Stream of transitionend events handled by this Element.
read-onlyinherited
onVolumeChange → ElementStream<Event>
read-onlyinherited
onWaiting → ElementStream<Event>
read-onlyinherited
onWheel → ElementStream<WheelEvent>
read-onlyinherited
outerHtml → String?
read-onlyinherited
ownerDocument → Document?
The document this node belongs to.
read-onlyinherited
paddingEdge → CssRect
Access the dimensions and position of this element's content + padding box.
read-onlyinherited
parent → Element?
The parent element of this node.
read-onlyinherited
parentNode → Node?
The parent node of this node.
read-onlyinherited
previousElementSibling → Element?
read-onlyinherited
previousNode → Node?
The previous sibling node.
read-onlyinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
scrollHeight → int
read-onlyinherited
scrollLeft ↔ int
read / writeinherited
scrollTop ↔ int
read / writeinherited
scrollWidth → int
read-onlyinherited
select ↔ String?
read / write
shadowRoot → ShadowRoot?
The shadow root of this shadow host.
read-onlyinherited
slot ↔ String?
read / writeinherited
spellcheck ↔ bool?
read / writeinherited
style → CssStyleDeclaration
read-onlyinherited
styleMap → StylePropertyMap?
read-onlyinherited
tabIndex ↔ int?
read / writeinherited
tagName → String
read-onlyinherited
text ↔ String?
All text within this node and its descendents.
read / writeinherited
title ↔ String?
read / writeinherited
translate ↔ bool?
Specifies whether this element's text content changes when the page is localized.
read / writeinherited

Methods

addEventListener(String type, EventListener? listener, [bool? useCapture]) → void
inherited
after(Object nodes) → void
inherited
animate(Iterable<Map<String, dynamic>> frames, [dynamic timing]) → Animation
Creates a new AnimationEffect object whose target element is the object on which the method is called, and calls the play() method of the AnimationTimeline object of the document timeline of the node document of the element, passing the newly created AnimationEffect as the argument to the method. Returns an Animation for the effect.
inherited
append(Node node) → Node
Adds a node to the end of the child nodes list of this node.
inherited
appendHtml(String text, {NodeValidator? validator, NodeTreeSanitizer? treeSanitizer}) → void
Parses the specified text as HTML and adds the resulting node after the last child of this element.
inherited
appendText(String text) → void
Adds the specified text after the last child of this element.
inherited
attached() → void
Called by the DOM when this element has been inserted into the live document.
inherited
attachShadow(Map shadowRootInitDict) → ShadowRoot
inherited
attributeChanged(String name, String oldValue, String newValue) → void
Called by the DOM whenever an attribute on this has been changed.
inherited
before(Object nodes) → void
inherited
blur() → void
inherited
click() → void
inherited
clone(bool? deep) → Node
Returns a copy of this node.
inherited
closest(String selectors) → Element?
inherited
contains(Node? other) → bool
Returns true if this node contains the specified node.
inherited
createFragment(String? html, {NodeValidator? validator, NodeTreeSanitizer? treeSanitizer}) → DocumentFragment
Create a DocumentFragment from the HTML fragment and ensure that it follows the sanitization rules specified by the validator or treeSanitizer.
inherited
createShadowRoot() → ShadowRoot
Creates a new shadow root for this shadow host.
inherited
detached() → void
Called by the DOM when this element has been removed from the live document.
inherited
dispatchEvent(Event event) → bool
inherited
enteredView() → void
Deprecated*: override attached instead.
inherited
focus() → void
inherited
getAnimations() → List<Animation>
inherited
getAttribute(String name) → String?
inherited
getAttributeNames() → List<String>
inherited
getAttributeNS(String? namespaceURI, String name) → String?
inherited
getBoundingClientRect() → Rectangle<num>
Returns the smallest bounding rectangle that encompasses this element's padding, scrollbar, and border.
inherited
getClientRects() → List<Rectangle<num>>
inherited
getComputedStyle([String? pseudoElement]) → CssStyleDeclaration
The set of all CSS values applied to this element, including inherited and default values.
inherited
getDestinationInsertionPoints() → List<Node>
Returns a list of shadow DOM insertion points to which this element is distributed.
inherited
getDistributedNodes() → List<Node>
getElementsByClassName(String classNames) → List<Node>
Returns a list of nodes with the given class name inside this element.
inherited
getNamespacedAttributes(String namespace) → Map<String, String>
Gets a map for manipulating the attributes of a particular namespace.
inherited
getRootNode([Map? options]) → Node
inherited
hasAttribute(String name) → bool
inherited
hasAttributeNS(String? namespaceURI, String name) → bool
inherited
hasChildNodes() → bool
Returns true if this node has any children.
inherited
hasPointerCapture(int pointerId) → bool
inherited
insertAdjacentElement(String where, Element element) → Element
Inserts element into the DOM at the specified location.
inherited
insertAdjacentHtml(String where, String html, {NodeValidator? validator, NodeTreeSanitizer? treeSanitizer}) → void
Parses text as an HTML fragment and inserts it into the DOM at the specified location.
inherited
insertAdjacentText(String where, String text) → void
Inserts text into the DOM at the specified location.
inherited
insertAllBefore(Iterable<Node> newNodes, Node child) → void
Inserts all of the nodes into this node directly before child.
inherited
insertBefore(Node node, Node? child) → Node
Inserts the given node into this node directly before child. If child is null, then the given node is inserted at the end of this node's child nodes.
inherited
leftView() → void
Deprecated*: override detached instead.
inherited
matches(String selectors) → bool
Checks if this element matches the CSS selectors.
inherited
matchesWithAncestors(String selectors) → bool
Checks if this element or any of its parents match the CSS selectors.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
offsetTo(Element parent) → Point<num>
Provides the offset of this element's borderEdge relative to the specified parent.
inherited
querySelector(String selectors) → Element?
Finds the first descendant element of this element that matches the specified group of selectors.
inherited
querySelectorAll<T extends Element>(String selectors) → ElementList<T>
Finds all descendent elements of this element that match the specified group of selectors.
inherited
releasePointerCapture(int pointerId) → void
inherited
remove() → void
Removes this node from the DOM.
inherited
removeAttribute(String name) → void
inherited
removeAttributeNS(String? namespaceURI, String name) → void
inherited
removeEventListener(String type, EventListener? listener, [bool? useCapture]) → void
inherited
replaceWith(Node otherNode) → Node
Replaces this node with another node.
inherited
requestFullscreen([Map? options]) → Future<void>
Displays this element fullscreen.
inherited
requestPointerLock() → void
inherited
scroll([dynamic options_OR_x, num? y]) → void
inherited
scrollBy([dynamic options_OR_x, num? y]) → void
inherited
scrollIntoView([ScrollAlignment? alignment]) → void
Scrolls this element into view.
inherited
scrollIntoViewIfNeeded([bool? centerIfNeeded]) → void
Nonstandard version of scrollIntoView that scrolls the current element into the visible area of the browser window if it's not already within the visible area of the browser window. If the element is already within the visible area of the browser window, then no scrolling takes place.
inherited
scrollTo([dynamic options_OR_x, num? y]) → void
inherited
setApplyScroll(String nativeScrollBehavior) → Future<ScrollState>
inherited
setAttribute(String name, Object value) → void
inherited
setAttributeNS(String? namespaceURI, String name, Object value) → void
inherited
setDistributeScroll(String nativeScrollBehavior) → Future<ScrollState>
inherited
setInnerHtml(String? html, {NodeValidator? validator, NodeTreeSanitizer? treeSanitizer}) → void
Parses the HTML fragment and sets it as the contents of this element. This ensures that the generated content follows the sanitization rules specified by the validator or treeSanitizer.
inherited
setPointerCapture(int pointerId) → void
inherited
toString() → String
The string representation of this element.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Properties

supported → bool
Checks if this type is supported on the current platform.
read-only