Dart API Reference
dart:js
JsArray
JsArray<E>
class
A
List
proxying a JavaScript Array.
A
List
proxying a JavaScript Array.
Extends:
JsObject
Object
Mixes-in:
ListMixin
<E>
Constructors
JsArray.internal
( )
JsArray
( )
JsArray.from
(
Iterable
<E>
other
)
Instance Properties
length
int
read/write
iterator
Iterator
<E>
Inherited
read-only
isEmpty
bool
Inherited
read-only
isNotEmpty
bool
Inherited
read-only
first
E
Inherited
read-only
last
E
Inherited
read-only
single
E
Inherited
read-only
reversed
Iterable
<E>
Inherited
read-only
last
E
Inherited
read-only
single
E
Inherited
read-only
reversed
Iterable
<E>
Inherited
read-only
iterator
Iterator
<E>
Inherited
read-only
hashCode
int
Inherited
read-only
length
int
Inherited
read/write
first
E
Inherited
read-only
Instance Methods
add
(
E
value
) →
void
Adds [value] to the end of this list, extending the length by one.
addAll
(
Iterable
<E>
iterable
) →
void
Appends all objects of [iterable] to the end of this list.
insert
(
int
index
,
E
element
) →
void
Inserts the object at position [index] in this list.
removeAt
(
int
index
) →
E
Removes the object at position [index] from this list.
removeLast
( ) →
E
Pops and returns the last object in this list.
removeRange
(
int
start
,
int
end
) →
void
Removes the objects in the range [start] inclusive to [end] exclusive.
setRange
(
int
start
,
int
end
,
Iterable
<E>
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.
sort
( [
int
compare
(
E
a
,
E
b
)
] ) →
void
Sorts this list according to the order specified by the [compare] function.
toString
Inherited
( ) →
String
Returns a string representation of this object.
hasProperty
Inherited
(
String
property
) →
bool
Returns true if the JavaScript object contains the specified property either directly or though its prototype chain.
deleteProperty
Inherited
(
String
property
) →
void
Removes property from the JavaScript object.
instanceof
Inherited
(
JsFunction
type
) →
bool
Returns true if the JavaScript object has type in its prototype chain.
callMethod
Inherited
(
String
method
, [
List
args
] ) →
dynamic
Calls method on the JavaScript object with the arguments args and returns the result.
elementAt
Inherited
(
int
index
) →
E
Returns the [index]th element.
forEach
Inherited
(
void
action
(
E
element
)
) →
void
Applies the function [f] to each element of this collection in iteration order.
contains
Inherited
(
Object
element
) →
bool
Returns true if the collection contains an element equal to [element].
every
Inherited
(
bool
test
(
E
element
)
) →
bool
Checks whether every element of this iterable satisfies [test].
any
Inherited
(
bool
test
(
E
element
)
) →
bool
Checks whether any element of this iterable satisfies [test].
firstWhere
Inherited
(
bool
test
(
E
element
)
, {
E
orElse
()
} ) →
E
Returns the first element that satisfies the given predicate [test].
lastWhere
Inherited
(
bool
test
(
E
element
)
, {
E
orElse
()
} ) →
E
Returns the last element that satisfies the given predicate [test].
singleWhere
Inherited
(
bool
test
(
E
element
)
) →
E
Returns the single element that satisfies [test].
join
Inherited
( [
String
separator
=
""
] ) →
String
Converts each element to a [String] and concatenates the strings.
where
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns a new lazy [Iterable] with all elements that satisfy the predicate [test].
map
Inherited
(
dynamic
f
(
E
element
)
) →
Iterable
Returns a new lazy [Iterable] with elements that are created by calling f on each element of this Iterable in iteration order.
expand
Inherited
(
Iterable
f
(
E
element
)
) →
Iterable
Expands each element of this [Iterable]into zero or more elements.
reduce
Inherited
(
E
combine
(
E
previousValue
,
E
element
)
) →
E
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
fold
Inherited
(
initialValue
,
dynamic
combine
(
previousValue
,
E
element
)
) →
dynamic
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
skip
Inherited
(
int
count
) →
Iterable
<E>
Returns an Iterable that provides all but the first [count] elements.
skipWhile
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns an Iterable that skips leading elements while [test] is satisfied.
take
Inherited
(
int
count
) →
Iterable
<E>
Returns a lazy iterable of the [count] first elements of this iterable.
takeWhile
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns a lazy iterable of the leading elements satisfying [test].
toList
Inherited
( {
bool
growable
:
true
} ) →
List
<E>
Creates a [List] containing the elements of this [Iterable].
toSet
Inherited
( ) →
Set
<E>
Creates a [Set] containing the same elements as this iterable.
remove
Inherited
(
Object
element
) →
bool
Removes the first occurence of [value] from this list.
removeWhere
Inherited
(
bool
test
(
E
element
)
) →
void
Removes all objects from this list that satisfy [test].
retainWhere
Inherited
(
bool
test
(
E
element
)
) →
void
Removes all objects from this list that fail to satisfy [test].
clear
Inherited
( ) →
void
Removes all objects from this list; the length of the list becomes zero.
shuffle
Inherited
( [
Random
random
] ) →
void
Shuffles the elements of this list randomly.
asMap
Inherited
( ) →
Map
<
int
,E>
Returns an unmodifiable [Map] view of this.
sublist
Inherited
(
int
start
, [
int
end
] ) →
List
<E>
Returns a new list containing the objects from [start] inclusive to [end] exclusive.
getRange
Inherited
(
int
start
,
int
end
) →
Iterable
<E>
Returns an [Iterable] that iterates over the objects in the range [start] inclusive to [end] exclusive.
fillRange
Inherited
(
int
start
,
int
end
, [
E
fill
] ) →
void
Sets the objects in the range [start] inclusive to [end] exclusive to the given [fillValue].
replaceRange
Inherited
(
int
start
,
int
end
,
Iterable
<E>
newContents
) →
void
Removes the objects in the range [start] inclusive to [end] exclusive and inserts the contents of [replacement] in its place.
indexOf
Inherited
(
Object
element
, [
int
startIndex
=
0
] ) →
int
Returns the first index of [element] in this list.
lastIndexOf
Inherited
(
Object
element
, [
int
startIndex
] ) →
int
Returns the last index in the list a of the given element, starting the search at index startIndex to 0. Returns -1 if element is not found.
insertAll
Inherited
(
int
index
,
Iterable
<E>
iterable
) →
void
Inserts all objects of [iterable] at position [index] in this list.
setAll
Inherited
(
int
index
,
Iterable
<E>
iterable
) →
void
Overwrites objects of this with the objects of [iterable], starting at position [index] in this list.
take
Inherited
(
int
count
) →
Iterable
<E>
Returns a lazy iterable of the [count] first elements of this iterable.
map
Inherited
(
dynamic
f
(
E
element
)
) →
Iterable
Returns a new lazy [Iterable] with elements that are created by calling f on each element of this Iterable in iteration order.
toSet
Inherited
( ) →
Set
<E>
Creates a [Set] containing the same elements as this iterable.
setAll
Inherited
(
int
index
,
Iterable
<E>
iterable
) →
void
Overwrites objects of this with the objects of [iterable], starting at position [index] in this list.
forEach
Inherited
(
void
action
(
E
element
)
) →
void
Applies the function [f] to each element of this collection in iteration order.
skipWhile
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns an Iterable that skips leading elements while [test] is satisfied.
asMap
Inherited
( ) →
Map
<
int
,E>
Returns an unmodifiable [Map] view of this.
lastWhere
Inherited
(
bool
test
(
E
element
)
, {
E
orElse
()
} ) →
E
Returns the last element that satisfies the given predicate [test].
reduce
Inherited
(
E
combine
(
E
previousValue
,
E
element
)
) →
E
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
any
Inherited
(
bool
test
(
E
element
)
) →
bool
Checks whether any element of this iterable satisfies [test].
every
Inherited
(
bool
test
(
E
element
)
) →
bool
Checks whether every element of this iterable satisfies [test].
where
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns a new lazy [Iterable] with all elements that satisfy the predicate [test].
skip
Inherited
(
int
count
) →
Iterable
<E>
Returns an Iterable that provides all but the first [count] elements.
expand
Inherited
(
Iterable
f
(
E
element
)
) →
Iterable
Expands each element of this [Iterable]into zero or more elements.
elementAt
Inherited
(
int
index
) →
E
Returns the [index]th element.
getRange
Inherited
(
int
start
,
int
end
) →
Iterable
<E>
Returns an [Iterable] that iterates over the objects in the range [start] inclusive to [end] exclusive.
takeWhile
Inherited
(
bool
test
(
E
element
)
) →
Iterable
<E>
Returns a lazy iterable of the leading elements satisfying [test].
fold
Inherited
(
initialValue
,
dynamic
combine
(
previousValue
,
E
element
)
) →
dynamic
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
noSuchMethod
Inherited
(
Invocation
invocation
) →
dynamic
[noSuchMethod] is invoked when users invoke a non-existent method on an object. The name of the method and the arguments of the invocation are passed to [noSuchMethod] in an [Invocation]. If [noSuchMe...
sublist
Inherited
(
int
start
, [
int
end
] ) →
List
<E>
Returns a new list containing the objects from [start] inclusive to [end] exclusive.
firstWhere
Inherited
(
bool
test
(
E
element
)
, {
E
orElse
()
} ) →
E
Returns the first element that satisfies the given predicate [test].
singleWhere
Inherited
(
bool
test
(
E
element
)
) →
E
Returns the single element that satisfies [test].
toString
Inherited
( ) →
String
Returns the result of the JavaScript objects toString method.
replaceRange
Inherited
(
int
start
,
int
end
,
Iterable
<E>
newContents
) →
void
Removes the objects in the range [start] inclusive to [end] exclusive and inserts the contents of [replacement] in its place.
insertAll
Inherited
(
int
index
,
Iterable
<E>
iterable
) →
void
Inserts all objects of [iterable] at position [index] in this list.
removeWhere
Inherited
(
bool
test
(
E
element
)
) →
void
Removes all objects from this list that satisfy [test].
toList
Inherited
( {
bool
growable
:
true
} ) →
List
<E>
Creates a [List] containing the elements of this [Iterable].
fillRange
Inherited
(
int
start
,
int
end
, [
E
fill
] ) →
void
Sets the objects in the range [start] inclusive to [end] exclusive to the given [fillValue].
retainWhere
Inherited
(
bool
test
(
E
element
)
) →
void
Removes all objects from this list that fail to satisfy [test].
Operators
operator []
(
index
) →
E
Returns the value associated with [property] from the proxied JavaScript object.
operator []=
(
index
,
E
value
) →
void
Sets the value associated with [property] on the proxied JavaScript object.