Element class - dart:html library (original) (raw)
An abstract class, which all HTML elements extend.
Inheritance
- Object
- EventTarget
- Node
- Element
Implemented types
Implementers
Annotations
- @Native("Element")
Constructors
Creates a new <a> element.
factory
Creates a new <article> element.
factory
Creates a new <aside> element.
factory
Creates a new <audio> element.
factory
Creates a new <br> element.
factory
Creates a new <canvas> element.
factory
Custom element creation constructor.
Creates a new <div> element.
factory
Creates a new <footer> element.
factory
Creates a new <header> element.
factory
Creates a new <hr> element.
factory
Element.html(String? html, {NodeValidator? validator, NodeTreeSanitizer? treeSanitizer})
Creates an HTML element from a valid fragment of HTML.
factory
Creates a new <iframe> element.
factory
Creates a new <img> element.
factory
Creates a new <li> element.
factory
Creates a new <nav> element.
factory
Creates a new <ol> element.
factory
Creates a new <option> element.
factory
Creates a new <p> element.
factory
Creates a new <pre> element.
factory
Creates a new <section> element.
factory
Creates a new <select> element.
factory
Creates a new <span> element.
factory
Creates a new <svg> element.
factory
Creates a new <table> element.
factory
Element.tag(String tag, [String? typeExtension])
Creates the HTML element specified by the tag name.
factory
Creates a new <td> element.
factory
Creates a new <textarea> element.
factory
Creates a new <th> element.
factory
Creates a new <tr> element.
factory
Creates a new <ul> element.
factory
Creates a new <video> element.
factory
Properties
accessibleNode → AccessibleNode?
no setter
no setter
attributes ↔ Map<String, String>
All attributes on this element.
getter/setter pair
no setterinherited
Access the dimensions and position of this element's content + padding + border box.
no setter
childNodes → List<Node>
A list of this node's children.
no setterinherited
List of the direct children of this element.
getter/setter pair
The set of CSS classes applied to this element.
getter/setter pair
getter/setter pair
Gets the position of this element relative to the client area of the page.
no setter
no setter
clientLeft → int?
no setter
no setter
no setter
no setter
no setter
Access this element's content position.
no setter
getter/setter pair
Allows access to all custom data attributes (data-*) set on this element.
getter/setter pair
getter/setter pair
Provides the coordinates of the element relative to the top of the document.
no setter
Indicates whether the element can be dragged and dropped.
getter/setter pair
firstChild → Node?
The first child of this node.
no setterinherited
The hash code for this object.
no setterinherited
Indicates whether the element is not relevant to the page's current state.
getter/setter pair
getter/setter pair
getter/setter pair
Parses the HTML fragment and sets it as the contents of this element.
getter/setter pair
getter/setter pair
getter/setter pair
isConnected → bool?
no setterinherited
no setter
getter/setter pair
The last child of this node.
no setterinherited
no setter
Access the dimensions and position of this element's content + padding + border + margin box.
no setter
A URI that identifies the XML namespace of this element.
no setter
no setteroverride
The next sibling node.
no setterinherited
The name of this node.
no setterinherited
A modifiable list of this node's children.
getter/setter pairinherited
The type of node.
no setterinherited
The value of this node.
no setterinherited
Gets the offset of this element relative to its offsetParent.
no setter
no setter
no setter
no setter
no setter
no setter
This is an ease-of-use accessor for event streams which should only be used when an explicit accessor is not available.
no setteroverride
onAbort → ElementStream<Event>
Stream of abort events handled by this Element.
no setteroverride
onBeforeCopy → ElementStream<Event>
Stream of beforecopy events handled by this Element.
no setter
onBeforeCut → ElementStream<Event>
Stream of beforecut events handled by this Element.
no setter
onBeforePaste → ElementStream<Event>
Stream of beforepaste events handled by this Element.
no setter
Stream of blur events handled by this Element.
no setteroverride
onCanPlay → ElementStream<Event>
no setteroverride
onCanPlayThrough → ElementStream<Event>
no setteroverride
onChange → ElementStream<Event>
Stream of change events handled by this Element.
no setteroverride
onClick → ElementStream<MouseEvent>
Stream of click events handled by this Element.
no setteroverride
Stream of contextmenu events handled by this Element.
no setteroverride
onCopy → ElementStream<ClipboardEvent>
Stream of copy events handled by this Element.
no setter
onCut → ElementStream<ClipboardEvent>
Stream of cut events handled by this Element.
no setter
onDoubleClick → ElementStream<Event>
Stream of doubleclick events handled by this Element.
no setteroverride
onDrag → ElementStream<MouseEvent>
A stream of drag events fired when this element currently being dragged.
no setteroverride
onDragEnd → ElementStream<MouseEvent>
A stream of dragend events fired when this element completes a drag operation.
no setteroverride
onDragEnter → ElementStream<MouseEvent>
A stream of dragenter events fired when a dragged object is first dragged over this element.
no setteroverride
onDragLeave → ElementStream<MouseEvent>
A stream of dragleave events fired when an object being dragged over this element leaves this element's target area.
no setteroverride
onDragOver → ElementStream<MouseEvent>
A stream of dragover events fired when a dragged object is currently being dragged over this element.
no setteroverride
onDragStart → ElementStream<MouseEvent>
A stream of dragstart events fired when this element starts being dragged.
no setteroverride
onDrop → ElementStream<MouseEvent>
A stream of drop events fired when a dragged object is dropped on this element.
no setteroverride
onDurationChange → ElementStream<Event>
no setteroverride
onEmptied → ElementStream<Event>
no setteroverride
onEnded → ElementStream<Event>
no setteroverride
onError → ElementStream<Event>
Stream of error events handled by this Element.
no setteroverride
onFocus → ElementStream<Event>
Stream of focus events handled by this Element.
no setteroverride
onFullscreenChange → ElementStream<Event>
Stream of fullscreenchange events handled by this Element.
no setter
onFullscreenError → ElementStream<Event>
Stream of fullscreenerror events handled by this Element.
no setter
onInput → ElementStream<Event>
Stream of input events handled by this Element.
no setteroverride
onInvalid → ElementStream<Event>
Stream of invalid events handled by this Element.
no setteroverride
onKeyDown → ElementStream<KeyboardEvent>
Stream of keydown events handled by this Element.
no setteroverride
onKeyPress → ElementStream<KeyboardEvent>
Stream of keypress events handled by this Element.
no setteroverride
onKeyUp → ElementStream<KeyboardEvent>
Stream of keyup events handled by this Element.
no setteroverride
Stream of load events handled by this Element.
no setteroverride
onLoadedData → ElementStream<Event>
no setteroverride
onLoadedMetadata → ElementStream<Event>
no setteroverride
onMouseDown → ElementStream<MouseEvent>
Stream of mousedown events handled by this Element.
no setteroverride
onMouseEnter → ElementStream<MouseEvent>
Stream of mouseenter events handled by this Element.
no setteroverride
onMouseLeave → ElementStream<MouseEvent>
Stream of mouseleave events handled by this Element.
no setteroverride
onMouseMove → ElementStream<MouseEvent>
Stream of mousemove events handled by this Element.
no setteroverride
onMouseOut → ElementStream<MouseEvent>
Stream of mouseout events handled by this Element.
no setteroverride
onMouseOver → ElementStream<MouseEvent>
Stream of mouseover events handled by this Element.
no setteroverride
onMouseUp → ElementStream<MouseEvent>
Stream of mouseup events handled by this Element.
no setteroverride
onMouseWheel → ElementStream<WheelEvent>
Stream of mousewheel events handled by this Element.
no setteroverride
onPaste → ElementStream<ClipboardEvent>
Stream of paste events handled by this Element.
no setter
onPause → ElementStream<Event>
no setteroverride
no setteroverride
onPlaying → ElementStream<Event>
no setteroverride
onRateChange → ElementStream<Event>
no setteroverride
onReset → ElementStream<Event>
Stream of reset events handled by this Element.
no setteroverride
onResize → ElementStream<Event>
no setteroverride
onScroll → ElementStream<Event>
Stream of scroll events handled by this Element.
no setteroverride
onSearch → ElementStream<Event>
Stream of search events handled by this Element.
no setter
onSeeked → ElementStream<Event>
no setteroverride
onSeeking → ElementStream<Event>
no setteroverride
onSelect → ElementStream<Event>
Stream of select events handled by this Element.
no setteroverride
onSelectStart → ElementStream<Event>
Stream of selectstart events handled by this Element.
no setter
onStalled → ElementStream<Event>
no setteroverride
onSubmit → ElementStream<Event>
Stream of submit events handled by this Element.
no setteroverride
onSuspend → ElementStream<Event>
no setteroverride
onTimeUpdate → ElementStream<Event>
no setteroverride
onTouchCancel → ElementStream<TouchEvent>
Stream of touchcancel events handled by this Element.
no setteroverride
onTouchEnd → ElementStream<TouchEvent>
Stream of touchend events handled by this Element.
no setteroverride
onTouchEnter → ElementStream<TouchEvent>
Stream of touchenter events handled by this Element.
no setter
onTouchLeave → ElementStream<TouchEvent>
Stream of touchleave events handled by this Element.
no setter
onTouchMove → ElementStream<TouchEvent>
Stream of touchmove events handled by this Element.
no setteroverride
onTouchStart → ElementStream<TouchEvent>
Stream of touchstart events handled by this Element.
no setteroverride
onTransitionEnd → ElementStream<TransitionEvent>
Stream of transitionend events handled by this Element.
no setter
onVolumeChange → ElementStream<Event>
no setteroverride
onWaiting → ElementStream<Event>
no setteroverride
onWheel → ElementStream<WheelEvent>
no setteroverride
no setter
The document this node belongs to.
no setterinherited
Access the dimensions and position of this element's content + padding box.
no setter
The parent element of this node.
no setterinherited
parentNode → Node?
The parent node of this node.
no setterinherited
previousElementSibling → Element?
no setteroverride
previousNode → Node?
The previous sibling node.
no setterinherited
A representation of the runtime type of the object.
no setterinherited
no setter
getter/setter pair
getter/setter pair
no setter
The shadow root of this shadow host.
no setter
getter/setter pair
spellcheck ↔ bool?
getter/setter pair
no setter
no setter
getter/setter pair
no setter
All text within this node and its descendants.
getter/setter pairinherited
getter/setter pair
Specifies whether this element's text content changes when the page is localized.
getter/setter pair
Methods
addEventListener(String type, EventListener? listener, [bool? useCapture])→ void
inherited
override
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.
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.
appendText(String text)→ void
Adds the specified text after the last child of this element.
attached()→ void
Called by the DOM when this element has been inserted into the live document.
attachShadow(Map shadowRootInitDict)→ ShadowRoot
attributeChanged(String name, String oldValue, String newValue)→ void
Called by the DOM whenever an attribute on this has been changed.
override
blur()→ void
click()→ void
Returns a copy of this node.
inherited
closest(String selectors)→ Element?
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.
createShadowRoot()→ ShadowRoot
Creates a new shadow root for this shadow host.
detached()→ void
Called by the DOM when this element has been removed from the live document.
dispatchEvent(Event event)→ bool
inherited
enteredView()→ void
Deprecated*: override attached instead.
focus()→ void
getAnimations()→ List<Animation>
getAttribute(String name)→ String?
getAttributeNames()→ List<String>
getAttributeNS(String? namespaceURI, String name)→ String?
getBoundingClientRect()→ Rectangle<num>
Returns the smallest bounding rectangle that encompasses this element's padding, scrollbar, and border.
getClientRects()→ List<Rectangle<num>>
getComputedStyle([String? pseudoElement])→ CssStyleDeclaration
The set of all CSS values applied to this element, including inherited and default values.
getDestinationInsertionPoints()→ List<Node>
Returns a list of shadow DOM insertion points to which this element is distributed.
getElementsByClassName(String classNames)→ List<Node>
Returns a list of nodes with the given class name inside this element.
getNamespacedAttributes(String namespace)→ Map<String, String>
Gets a map for manipulating the attributes of a particular namespace.
getRootNode([Map? options])→ Node
inherited
hasAttribute(String name)→ bool
hasAttributeNS(String? namespaceURI, String name)→ bool
Returns true if this node has any children.
inherited
hasPointerCapture(int pointerId)→ bool
insertAdjacentElement(String where, Element element)→ Element
Inserts element into the DOM at the specified location.
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.
insertAdjacentText(String where, String text)→ void
Inserts text into the DOM at the specified location.
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.
matches(String selectors)→ bool
Checks if this element matches the CSS selectors.
matchesWithAncestors(String selectors)→ bool
Checks if this element or any of its parents match the CSS selectors.
noSuchMethod(Invocation invocation)→ dynamic
Invoked when a nonexistent method or property is accessed.
inherited
offsetTo(Element parent)→ Point<num>
Provides the offset of this element's borderEdge relative to the specified parent.
querySelector(String selectors)→ Element?
Finds the first descendant element of this element that matches the specified group of selectors.
override
querySelectorAll<T extends Element>(String selectors)→ ElementList<T>
Finds all descendent elements of this element that match the specified group of selectors.
releasePointerCapture(int pointerId)→ void
remove()→ void
Removes this node from the DOM.
inherited
removeAttribute(String name)→ void
removeAttributeNS(String? namespaceURI, String name)→ void
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.
requestPointerLock()→ void
scroll([dynamic options_OR_x, num? y])→ void
scrollBy([dynamic options_OR_x, num? y])→ void
scrollIntoView([ScrollAlignment? alignment])→ void
Scrolls this element into view.
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.
scrollTo([dynamic options_OR_x, num? y])→ void
setApplyScroll(String nativeScrollBehavior)→ Future<ScrollState>
setAttribute(String name, Object value)→ void
setAttributeNS(String? namespaceURI, String name, Object value)→ void
setDistributeScroll(String nativeScrollBehavior)→ Future<ScrollState>
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.
setPointerCapture(int pointerId)→ void
The string representation of this element.
override
Operators
operator ==(Object other)→ bool
The equality operator.
inherited
Static Methods
isTagSupported(String tag)→ bool
Checks to see if the tag name is supported by the current platform.
Constants
abortEvent → const EventStreamProvider<Event>
Static factory designed to expose abort events to event handlers that are not necessarily instances of Element.
beforeCopyEvent → const EventStreamProvider<Event>
Static factory designed to expose beforecopy events to event handlers that are not necessarily instances of Element.
beforeCutEvent → const EventStreamProvider<Event>
Static factory designed to expose beforecut events to event handlers that are not necessarily instances of Element.
beforePasteEvent → const EventStreamProvider<Event>
Static factory designed to expose beforepaste events to event handlers that are not necessarily instances of Element.
blurEvent → const EventStreamProvider<Event>
Static factory designed to expose blur events to event handlers that are not necessarily instances of Element.
canPlayEvent → const EventStreamProvider<Event>
canPlayThroughEvent → const EventStreamProvider<Event>
changeEvent → const EventStreamProvider<Event>
Static factory designed to expose change events to event handlers that are not necessarily instances of Element.
clickEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose click events to event handlers that are not necessarily instances of Element.
Static factory designed to expose contextmenu events to event handlers that are not necessarily instances of Element.
copyEvent → const EventStreamProvider<ClipboardEvent>
Static factory designed to expose copy events to event handlers that are not necessarily instances of Element.
cutEvent → const EventStreamProvider<ClipboardEvent>
Static factory designed to expose cut events to event handlers that are not necessarily instances of Element.
doubleClickEvent → const EventStreamProvider<Event>
Static factory designed to expose doubleclick events to event handlers that are not necessarily instances of Element.
dragEndEvent → const EventStreamProvider<MouseEvent>
A stream of dragend events fired when an element completes a drag operation.
dragEnterEvent → const EventStreamProvider<MouseEvent>
A stream of dragenter events fired when a dragged object is first dragged over an element.
dragEvent → const EventStreamProvider<MouseEvent>
A stream of drag events fired when an element is currently being dragged.
dragLeaveEvent → const EventStreamProvider<MouseEvent>
A stream of dragleave events fired when an object being dragged over an element leaves the element's target area.
dragOverEvent → const EventStreamProvider<MouseEvent>
A stream of dragover events fired when a dragged object is currently being dragged over an element.
dragStartEvent → const EventStreamProvider<MouseEvent>
A stream of dragstart events for a dragged element whose drag has begun.
dropEvent → const EventStreamProvider<MouseEvent>
A stream of drop events fired when a dragged object is dropped on an element.
durationChangeEvent → const EventStreamProvider<Event>
emptiedEvent → const EventStreamProvider<Event>
endedEvent → const EventStreamProvider<Event>
errorEvent → const EventStreamProvider<Event>
Static factory designed to expose error events to event handlers that are not necessarily instances of Element.
focusEvent → const EventStreamProvider<Event>
Static factory designed to expose focus events to event handlers that are not necessarily instances of Element.
fullscreenChangeEvent → const EventStreamProvider<Event>
Static factory designed to expose fullscreenchange events to event handlers that are not necessarily instances of Element.
fullscreenErrorEvent → const EventStreamProvider<Event>
Static factory designed to expose fullscreenerror events to event handlers that are not necessarily instances of Element.
inputEvent → const EventStreamProvider<Event>
Static factory designed to expose input events to event handlers that are not necessarily instances of Element.
invalidEvent → const EventStreamProvider<Event>
Static factory designed to expose invalid events to event handlers that are not necessarily instances of Element.
keyDownEvent → const EventStreamProvider<KeyboardEvent>
Static factory designed to expose keydown events to event handlers that are not necessarily instances of Element.
keyPressEvent → const EventStreamProvider<KeyboardEvent>
Static factory designed to expose keypress events to event handlers that are not necessarily instances of Element.
keyUpEvent → const EventStreamProvider<KeyboardEvent>
Static factory designed to expose keyup events to event handlers that are not necessarily instances of Element.
loadedDataEvent → const EventStreamProvider<Event>
loadedMetadataEvent → const EventStreamProvider<Event>
loadEvent → const EventStreamProvider<Event>
Static factory designed to expose load events to event handlers that are not necessarily instances of Element.
mouseDownEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mousedown events to event handlers that are not necessarily instances of Element.
mouseEnterEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mouseenter events to event handlers that are not necessarily instances of Element.
mouseLeaveEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mouseleave events to event handlers that are not necessarily instances of Element.
mouseMoveEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mousemove events to event handlers that are not necessarily instances of Element.
mouseOutEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mouseout events to event handlers that are not necessarily instances of Element.
mouseOverEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mouseover events to event handlers that are not necessarily instances of Element.
mouseUpEvent → const EventStreamProvider<MouseEvent>
Static factory designed to expose mouseup events to event handlers that are not necessarily instances of Element.
mouseWheelEvent → const EventStreamProvider<WheelEvent>
Static factory designed to expose mousewheel events to event handlers that are not necessarily instances of Element.
pasteEvent → const EventStreamProvider<ClipboardEvent>
Static factory designed to expose paste events to event handlers that are not necessarily instances of Element.
pauseEvent → const EventStreamProvider<Event>
playEvent → const EventStreamProvider<Event>
playingEvent → const EventStreamProvider<Event>
rateChangeEvent → const EventStreamProvider<Event>
resetEvent → const EventStreamProvider<Event>
Static factory designed to expose reset events to event handlers that are not necessarily instances of Element.
resizeEvent → const EventStreamProvider<Event>
scrollEvent → const EventStreamProvider<Event>
Static factory designed to expose scroll events to event handlers that are not necessarily instances of Element.
searchEvent → const EventStreamProvider<Event>
Static factory designed to expose search events to event handlers that are not necessarily instances of Element.
seekedEvent → const EventStreamProvider<Event>
seekingEvent → const EventStreamProvider<Event>
selectEvent → const EventStreamProvider<Event>
Static factory designed to expose select events to event handlers that are not necessarily instances of Element.
selectStartEvent → const EventStreamProvider<Event>
Static factory designed to expose selectstart events to event handlers that are not necessarily instances of Element.
stalledEvent → const EventStreamProvider<Event>
submitEvent → const EventStreamProvider<Event>
Static factory designed to expose submit events to event handlers that are not necessarily instances of Element.
suspendEvent → const EventStreamProvider<Event>
timeUpdateEvent → const EventStreamProvider<Event>
touchCancelEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchcancel events to event handlers that are not necessarily instances of Element.
touchEndEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchend events to event handlers that are not necessarily instances of Element.
touchEnterEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchenter events to event handlers that are not necessarily instances of Element.
touchLeaveEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchleave events to event handlers that are not necessarily instances of Element.
touchMoveEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchmove events to event handlers that are not necessarily instances of Element.
touchStartEvent → const EventStreamProvider<TouchEvent>
Static factory designed to expose touchstart events to event handlers that are not necessarily instances of Element.
transitionEndEvent → const EventStreamProvider<TransitionEvent>
Static factory designed to expose transitionend events to event handlers that are not necessarily instances of Element.
volumeChangeEvent → const EventStreamProvider<Event>
waitingEvent → const EventStreamProvider<Event>
wheelEvent → const EventStreamProvider<WheelEvent>