description

# ElementList<T extends Element> class Null safety

An immutable list containing HTML elements. This list contains some additional methods when compared to regular lists for ease of CSS manipulation on a group of elements.

Inheritance
  - Object
  - ListBase<T>
  - ElementList

## Constructors

ElementList()

## Properties

borderEdge → CssRect
  Access dimensions and position of the first Element's content + padding + border box in this list. [...]
  read-only
classes ↔ CssClassSet
  The union of all CSS classes applied to the elements in this list. [...]
  read / write
contentEdge → CssRect
  Access dimensions and position of the Elements in this list. [...]
  read-only
first ↔ T
  Returns the first element. [...]
  read / write, inherited
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
isEmpty → bool
  Returns `true` if there are no elements in this collection. [...]
  read-only, inherited
isNotEmpty → bool
  Returns true if there is at least one element in this collection. [...]
  read-only, inherited
iterator → Iterator<T>
  Returns a new `Iterator` that allows iterating the elements of this `Iterable`. [...]
  read-only, inherited
last ↔ T
  Returns the last element. [...]
  read / write, inherited
length ↔ int
  The number of objects in this list. [...]
  read / write, inherited
marginEdge → CssRect
  Access dimensions and position of the first Element's content + padding + border + margin box in this list. [...]
  read-only
onAbort → ElementStream<Event>
  Stream of `abort` events handled by this Element.
  read-only
onBeforeCopy → ElementStream<Event>
  Stream of `beforecopy` events handled by this Element.
  read-only
onBeforeCut → ElementStream<Event>
  Stream of `beforecut` events handled by this Element.
  read-only
onBeforePaste → ElementStream<Event>
  Stream of `beforepaste` events handled by this Element.
  read-only
onBlur → ElementStream<Event>
  Stream of `blur` events handled by this Element.
  read-only
onCanPlay → ElementStream<Event>
  read-only
onCanPlayThrough → ElementStream<Event>
  read-only
onChange → ElementStream<Event>
  Stream of `change` events handled by this Element.
  read-only
onClick → ElementStream<MouseEvent>
  Stream of `click` events handled by this Element.
  read-only
onContextMenu → ElementStream<MouseEvent>
  Stream of `contextmenu` events handled by this Element.
  read-only
onCopy → ElementStream<ClipboardEvent>
  Stream of `copy` events handled by this Element.
  read-only
onCut → ElementStream<ClipboardEvent>
  Stream of `cut` events handled by this Element.
  read-only
onDoubleClick → ElementStream<Event>
  Stream of `doubleclick` events handled by this Element.
  @DomName('Element.ondblclick'), read-only
onDrag → ElementStream<MouseEvent>
  A stream of `drag` events fired when this element currently being dragged. [...]
  read-only
onDragEnd → ElementStream<MouseEvent>
  A stream of `dragend` events fired when this element completes a drag operation. [...]
  read-only
onDragEnter → ElementStream<MouseEvent>
  A stream of `dragenter` events fired when a dragged object is first dragged over this element. [...]
  read-only
onDragLeave → ElementStream<MouseEvent>
  A stream of `dragleave` events fired when an object being dragged over this element leaves this element's target area. [...]
  read-only
onDragOver → ElementStream<MouseEvent>
  A stream of `dragover` events fired when a dragged object is currently being dragged over this element. [...]
  read-only
onDragStart → ElementStream<MouseEvent>
  A stream of `dragstart` events fired when this element starts being dragged. [...]
  read-only
onDrop → ElementStream<MouseEvent>
  A stream of `drop` events fired when a dragged object is dropped on this element. [...]
  read-only
onDurationChange → ElementStream<Event>
  read-only
onEmptied → ElementStream<Event>
  read-only
onEnded → ElementStream<Event>
  read-only
onError → ElementStream<Event>
  Stream of `error` events handled by this Element.
  read-only
onFocus → ElementStream<Event>
  Stream of `focus` events handled by this Element.
  read-only
onFullscreenChange → ElementStream<Event>
  Stream of `fullscreenchange` events handled by this Element.
  read-only
onFullscreenError → ElementStream<Event>
  Stream of `fullscreenerror` events handled by this Element.
  read-only
onInput → ElementStream<Event>
  Stream of `input` events handled by this Element.
  read-only
onInvalid → ElementStream<Event>
  Stream of `invalid` events handled by this Element.
  read-only
onKeyDown → ElementStream<KeyboardEvent>
  Stream of `keydown` events handled by this Element.
  read-only
onKeyPress → ElementStream<KeyboardEvent>
  Stream of `keypress` events handled by this Element.
  read-only
onKeyUp → ElementStream<KeyboardEvent>
  Stream of `keyup` events handled by this Element.
  read-only
onLoad → ElementStream<Event>
  Stream of `load` events handled by this Element.
  read-only
onLoadedData → ElementStream<Event>
  read-only
onLoadedMetadata → ElementStream<Event>
  read-only
onMouseDown → ElementStream<MouseEvent>
  Stream of `mousedown` events handled by this Element.
  read-only
onMouseEnter → ElementStream<MouseEvent>
  Stream of `mouseenter` events handled by this Element.
  read-only
onMouseLeave → ElementStream<MouseEvent>
  Stream of `mouseleave` events handled by this Element.
  read-only
onMouseMove → ElementStream<MouseEvent>
  Stream of `mousemove` events handled by this Element.
  read-only
onMouseOut → ElementStream<MouseEvent>
  Stream of `mouseout` events handled by this Element.
  read-only
onMouseOver → ElementStream<MouseEvent>
  Stream of `mouseover` events handled by this Element.
  read-only
onMouseUp → ElementStream<MouseEvent>
  Stream of `mouseup` events handled by this Element.
  read-only
onMouseWheel → ElementStream<WheelEvent>
  Stream of `mousewheel` events handled by this Element.
  read-only
onPaste → ElementStream<ClipboardEvent>
  Stream of `paste` events handled by this Element.
  read-only
onPause → ElementStream<Event>
  read-only
onPlay → ElementStream<Event>
  read-only
onPlaying → ElementStream<Event>
  read-only
onRateChange → ElementStream<Event>
  read-only
onReset → ElementStream<Event>
  Stream of `reset` events handled by this Element.
  read-only
onResize → ElementStream<Event>
  read-only
onScroll → ElementStream<Event>
  Stream of `scroll` events handled by this Element.
  read-only
onSearch → ElementStream<Event>
  Stream of `search` events handled by this Element.
  read-only
onSeeked → ElementStream<Event>
  read-only
onSeeking → ElementStream<Event>
  read-only
onSelect → ElementStream<Event>
  Stream of `select` events handled by this Element.
  read-only
onSelectStart → ElementStream<Event>
  Stream of `selectstart` events handled by this Element.
  read-only
onStalled → ElementStream<Event>
  read-only
onSubmit → ElementStream<Event>
  Stream of `submit` events handled by this Element.
  read-only
onSuspend → ElementStream<Event>
  read-only
onTimeUpdate → ElementStream<Event>
  read-only
onTouchCancel → ElementStream<TouchEvent>
  Stream of `touchcancel` events handled by this Element.
  read-only
onTouchEnd → ElementStream<TouchEvent>
  Stream of `touchend` events handled by this Element.
  read-only
onTouchEnter → ElementStream<TouchEvent>
  Stream of `touchenter` events handled by this Element.
  read-only
onTouchLeave → ElementStream<TouchEvent>
  Stream of `touchleave` events handled by this Element.
  read-only
onTouchMove → ElementStream<TouchEvent>
  Stream of `touchmove` events handled by this Element.
  read-only
onTouchStart → ElementStream<TouchEvent>
  Stream of `touchstart` events handled by this Element.
  read-only
onTransitionEnd → ElementStream<TransitionEvent>
  Stream of `transitionend` events handled by this Element.
  @SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.FIREFOX), @SupportedBrowser(SupportedBrowser.IE, '10'), @SupportedBrowser(SupportedBrowser.SAFARI), read-only
onVolumeChange → ElementStream<Event>
  read-only
onWaiting → ElementStream<Event>
  read-only
onWheel → ElementStream<WheelEvent>
  read-only
paddingEdge → CssRect
  Access dimensions and position of the first Element's content + padding box in this list. [...]
  read-only
reversed → Iterable<T>
  Returns an Iterable of the objects in this list in reverse order.
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited
single → T
  Checks that this iterable has only one element, and returns that element. [...]
  read-only, inherited
style → CssStyleDeclarationBase
  Access the union of all CssStyleDeclarations that are associated with an ElementList. [...]
  read-only

## Methods

add(T element) → void
  Adds `value` to the end of this list, extending the length by one. [...]
  inherited
addAll(Iterable<T> iterable) → void
  Appends all objects of `iterable` to the end of this list. [...]
  inherited
any(bool test(T element)) → bool
  Checks whether any element of this iterable satisfies `test`. [...]
  inherited
asMap() → Map<int, T>
  Returns an unmodifiable Map view of `this`. [...]
  inherited
cast<R>() → List<R>
  Returns a view of this list as a list of `R` instances. [...]
  inherited
clear() → void
  Removes all objects from this list; the length of the list becomes zero. [...]
  inherited
contains(Object? element) → bool
  Returns true if the collection contains an element equal to `element`. [...]
  inherited
elementAt(int index) → T
  Returns the `index`th element. [...]
  inherited
every(bool test(T element)) → bool
  Checks whether every element of this iterable satisfies `test`. [...]
  inherited
expand<T>(Iterable<T> f(T element)) → Iterable<T>
  Expands each element of this Iterable into zero or more elements. [...]
  inherited
fillRange(int start, int end, [T? fill]) → void
  Sets the objects in the range `start` inclusive to `end` exclusive to the given `fillValue`. [...]
  inherited
firstWhere(bool test(T element), {T orElse()}) → T
  Returns the first element that satisfies the given predicate `test`. [...]
  inherited
fold<T>(T initialValue, T combine(T previousValue, T element)) → T
  Reduces a collection to a single value by iteratively combining each element of the collection with an existing value [...]
  inherited
followedBy(Iterable<T> other) → Iterable<T>
  Returns the lazy concatentation of this iterable and `other`. [...]
  inherited
forEach(void action(T element)) → void
  Applies the function `f` to each element of this collection in iteration order.
  inherited
getRange(int start, int end) → Iterable<T>
  Returns an Iterable that iterates over the objects in the range `start` inclusive to `end` exclusive. [...]
  inherited
indexOf(Object? element, [int start = 0]) → int
  Returns the first index of `element` in this list. [...]
  inherited
indexWhere(bool test(T element), [int start = 0]) → int
  Returns the first index in the list that satisfies the provided `test`. [...]
  inherited
insert(int index, T element) → void
  Inserts the object at position `index` in this list. [...]
  inherited
insertAll(int index, Iterable<T> iterable) → void
  Inserts all objects of `iterable` at position `index` in this list. [...]
  inherited
join([String separator = ""]) → String
  Converts each element to a String and concatenates the strings. [...]
  inherited
lastIndexOf(Object? element, [int? start]) → int
  Returns the last index of `element` in this list. [...]
  inherited
lastIndexWhere(bool test(T element), [int? start]) → int
  Returns the last index in the list that satisfies the provided `test`. [...]
  inherited
lastWhere(bool test(T element), {T orElse()}) → T
  Returns the last element that satisfies the given predicate `test`. [...]
  inherited
map<T>(T f(T element)) → Iterable<T>
  Returns a new lazy Iterable with elements that are created by calling `f` on each element of this `Iterable` in iteration order. [...]
  inherited
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
reduce(T combine(T previousValue, T element)) → T
  Reduces a collection to a single value by iteratively combining elements of the collection using the provided function. [...]
  inherited
remove(Object? element) → bool
  Removes the first occurrence of `value` from this list. [...]
  inherited
removeAt(int index) → T
  Removes the object at position `index` from this list. [...]
  inherited
removeLast() → T
  Pops and returns the last object in this list. [...]
  inherited
removeRange(int start, int end) → void
  Removes the objects in the range `start` inclusive to `end` exclusive. [...]
  inherited
removeWhere(bool test(T element)) → void
  Removes all objects from this list that satisfy `test`. [...]
  inherited
replaceRange(int start, int end, Iterable<T> newContents) → void
  Removes the objects in the range `start` inclusive to `end` exclusive and inserts the contents of `replacement` in its place. [...]
  inherited
retainWhere(bool test(T element)) → void
  Removes all objects from this list that fail to satisfy `test`. [...]
  inherited
setAll(int index, Iterable<T> iterable) → void
  Overwrites objects of `this` with the objects of `iterable`, starting at position `index` in this list. [...]
  inherited
setRange(int start, int end, Iterable<T> iterable, [int skipCount = 0]) → void
  Copies the objects of `iterable`, skipping `skipCount` objects first, into the range `start`, inclusive, to `end`, exclusive, of the list. [...]
  inherited
shuffle([Random? random]) → void
  Shuffles the elements of this list randomly.
  inherited
singleWhere(bool test(T element), {T orElse()}) → T
  Returns the single element that satisfies `test`. [...]
  inherited
skip(int count) → Iterable<T>
  Returns an Iterable that provides all but the first `count` elements. [...]
  inherited
skipWhile(bool test(T element)) → Iterable<T>
  Returns an `Iterable` that skips leading elements while `test` is satisfied. [...]
  inherited
sort([int compare(T a, T b)]) → void
  Sorts this list according to the order specified by the `compare` function. [...]
  inherited
sublist(int start, [int? end]) → List<T>
  Returns a new list containing the elements between `start` and `end`. [...]
  inherited
take(int count) → Iterable<T>
  Returns a lazy iterable of the `count` first elements of this iterable. [...]
  inherited
takeWhile(bool test(T element)) → Iterable<T>
  Returns a lazy iterable of the leading elements satisfying `test`. [...]
  inherited
toList({bool growable: true}) → List<T>
  Creates a List containing the elements of this Iterable. [...]
  inherited
toSet() → Set<T>
  Creates a Set containing the same elements as this iterable. [...]
  inherited
toString() → String
  Returns a string representation of this object.
  inherited
where(bool test(T element)) → Iterable<T>
  Returns a new lazy Iterable with all elements that satisfy the predicate `test`. [...]
  inherited
whereType<T>() → Iterable<T>
  Returns a new lazy Iterable with all elements that have type `T`. [...]
  inherited

## Operators

operator +(List<T> other) → List<T>
  Returns the concatenation of this list and `other`. [...]
  inherited
operator ==(Object other) → bool
  The equality operator. [...]
  inherited
operator [](int index) → T
  Returns the object at the given `index` in the list or throws a RangeError if `index` is out of bounds.
  inherited
operator []=(int index, T value) → void
  Sets the value at the given `index` in the list to `value` or throws a RangeError if `index` is out of bounds.
  inherited