重置
横排
竖排
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
Global_Objects
AggregateError
Array
ArrayBuffer
AsyncFunction
AsyncGenerator
AsyncGeneratorFunction
AsyncIterator
Atomics
BigInt
BigInt64Array
BigUint64Array
Boolean
DataView
Date
decodeURI
decodeURIComponent
encodeURI
encodeURIComponent
Error
escape
eval
EvalError
FinalizationRegistry
Float16Array
Float32Array
Float64Array
Function
Generator
GeneratorFunction
globalThis
Infinity
Int16Array
Int32Array
Int8Array
InternalError
Intl
isFinite
isNaN
Iterator
JSON
Map
Math
NaN
Number
Object
parseFloat
parseInt
Promise
Proxy
RangeError
ReferenceError
Reflect
RegExp
Set
SharedArrayBuffer
String
Symbol
SyntaxError
TypedArray
TypeError
Uint16Array
Uint32Array
Uint8Array
Uint8ClampedArray
undefined
unescape
URIError
WeakMap
WeakRef
WeakSet
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
AggregateError
AggregateError
AggregateError
errors
/
mdn2
/
en-US
/
docs
/
Web
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JavaScript
/
Reference
/
Global_Objects
/
Array
Array
Array
at
concat
copyWithin
entries
every
fill
filter
find
findIndex
findLast
findLastIndex
flat
flatMap
forEach
from
fromAsync
includes
indexOf
isArray
join
keys
lastIndexOf
length
map
of
pop
push
reduce
reduceRight
reverse
shift
slice
some
sort
splice
Symbol.iterator
Symbol.species
Symbol.unscopables
toLocaleString
toReversed
toSorted
toSpliced
toString
unshift
values
with
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
ArrayBuffer
ArrayBuffer
ArrayBuffer
byteLength
detached
isView
maxByteLength
resizable
resize
slice
Symbol.species
transfer
transferToFixedLength
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
AsyncFunction
AsyncFunction
AsyncFunction
/
mdn2
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en-US
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docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
AsyncGenerator
AsyncGenerator
next
return
throw
/
mdn2
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en-US
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docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
AsyncGeneratorFunction
AsyncGeneratorFunction
AsyncGeneratorFunction
prototype
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
AsyncIterator
AsyncIterator
Symbol.asyncIterator
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Atomics
Atomics
add
and
compareExchange
exchange
isLockFree
load
notify
or
store
sub
wait
waitAsync
xor
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
BigInt
BigInt
asIntN
asUintN
BigInt
toLocaleString
toString
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
BigInt64Array
BigInt64Array
BigInt64Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
BigUint64Array
BigUint64Array
BigUint64Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Boolean
Boolean
Boolean
toString
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
DataView
DataView
buffer
byteLength
byteOffset
DataView
getBigInt64
getBigUint64
getFloat16
getFloat32
getFloat64
getInt16
getInt32
getInt8
getUint16
getUint32
getUint8
setBigInt64
setBigUint64
setFloat16
setFloat32
setFloat64
setInt16
setInt32
setInt8
setUint16
setUint32
setUint8
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Date
Date
Date
getDate
getDay
getFullYear
getHours
getMilliseconds
getMinutes
getMonth
getSeconds
getTime
getTimezoneOffset
getUTCDate
getUTCDay
getUTCFullYear
getUTCHours
getUTCMilliseconds
getUTCMinutes
getUTCMonth
getUTCSeconds
getYear
now
parse
setDate
setFullYear
setHours
setMilliseconds
setMinutes
setMonth
setSeconds
setTime
setUTCDate
setUTCFullYear
setUTCHours
setUTCMilliseconds
setUTCMinutes
setUTCMonth
setUTCSeconds
setYear
Symbol.toPrimitive
toDateString
toISOString
toJSON
toLocaleDateString
toLocaleString
toLocaleTimeString
toString
toTimeString
toUTCString
UTC
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Error
Error
cause
columnNumber
Error
fileName
lineNumber
message
name
stack
toString
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
EvalError
EvalError
EvalError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
FinalizationRegistry
FinalizationRegistry
FinalizationRegistry
register
unregister
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Float16Array
Float16Array
Float16Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Float32Array
Float32Array
Float32Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Float64Array
Float64Array
Float64Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Function
Function
apply
arguments
bind
call
caller
displayName
Function
length
name
prototype
Symbol.hasInstance
toString
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Generator
Generator
next
return
throw
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
GeneratorFunction
GeneratorFunction
GeneratorFunction
prototype
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Int16Array
Int16Array
Int16Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Int32Array
Int32Array
Int32Array
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Int8Array
Int8Array
Int8Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
InternalError
InternalError
InternalError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
Intl
Collator
DateTimeFormat
DisplayNames
DurationFormat
getCanonicalLocales
ListFormat
Locale
NumberFormat
PluralRules
RelativeTimeFormat
Segmenter
supportedValuesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
Collator
Collator
Collator
compare
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
DateTimeFormat
DateTimeFormat
DateTimeFormat
format
formatRange
formatRangeToParts
formatToParts
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
DisplayNames
DisplayNames
DisplayNames
of
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
DurationFormat
DurationFormat
DurationFormat
format
formatToParts
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
ListFormat
ListFormat
format
formatToParts
ListFormat
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
Locale
Locale
baseName
calendar
caseFirst
collation
getCalendars
getCollations
getHourCycles
getNumberingSystems
getTextInfo
getTimeZones
getWeekInfo
hourCycle
language
Locale
maximize
minimize
numberingSystem
numeric
region
script
toString
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
NumberFormat
NumberFormat
format
formatRange
formatRangeToParts
formatToParts
NumberFormat
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
PluralRules
PluralRules
PluralRules
resolvedOptions
select
selectRange
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
RelativeTimeFormat
RelativeTimeFormat
format
formatToParts
RelativeTimeFormat
resolvedOptions
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
Segmenter
Segmenter
resolvedOptions
segment.1
Segmenter
supportedLocalesOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Intl
/
Segmenter
/
segment
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Iterator
Iterator
drop
every
filter
find
flatMap
forEach
from
Iterator
map
reduce
some
Symbol.iterator
take
toArray
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
JSON
JSON
isRawJSON
parse
rawJSON
stringify
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Map
Map
clear
delete
entries
forEach
get
groupBy
has
keys
Map
set
size
Symbol.iterator
Symbol.species
values
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Math
Math
abs
acos
acosh
asin
asinh
atan
atan2
atanh
cbrt
ceil
clz32
cos
cosh
E
exp
expm1
f16round
floor
fround
hypot
imul
LN10
LN2
log
log10
LOG10E
log1p
log2
LOG2E
max
min
PI
pow
random
round
sign
sin
sinh
sqrt
SQRT1_2
SQRT2
tan
tanh
trunc
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Math
/
atan2
atan2
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Number
Number
EPSILON
isFinite
isInteger
isNaN
isSafeInteger
MAX_SAFE_INTEGER
MAX_VALUE
MIN_SAFE_INTEGER
MIN_VALUE
NaN
NEGATIVE_INFINITY
Number
parseFloat
parseInt
POSITIVE_INFINITY
toExponential
toFixed
toLocaleString
toPrecision
toString
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Object
Object
__defineGetter__
__defineSetter__
__lookupGetter__
__lookupSetter__
assign
constructor
create
defineProperties
defineProperty
entries
freeze
fromEntries
getOwnPropertyDescriptor
getOwnPropertyDescriptors
getOwnPropertyNames
getOwnPropertySymbols
getPrototypeOf
groupBy
hasOwn
hasOwnProperty
is
isExtensible
isFrozen
isPrototypeOf
isSealed
keys
Object
preventExtensions
propertyIsEnumerable
proto
seal
setPrototypeOf
toLocaleString
toString
valueOf
values
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Promise
Promise
all
allSettled
any
catch
finally
Promise
race
reject
resolve
Symbol.species
then
try
withResolvers
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Proxy
Proxy
Proxy
revocable
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Proxy
/
Proxy
Proxy
apply
construct
defineProperty
deleteProperty
get
getOwnPropertyDescriptor
getPrototypeOf
has
isExtensible
ownKeys
preventExtensions
set
setPrototypeOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
RangeError
RangeError
RangeError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
ReferenceError
ReferenceError
ReferenceError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Reflect
Reflect
apply
construct
defineProperty
deleteProperty
get
getOwnPropertyDescriptor
getPrototypeOf
has
isExtensible
ownKeys
preventExtensions
set
setPrototypeOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
RegExp
RegExp
compile
dotAll
exec
flags
global
hasIndices
ignoreCase
input
lastIndex
lastMatch
lastParen
leftContext
multiline
n
RegExp
rightContext
source
sticky
Symbol.match
Symbol.matchAll
Symbol.replace
Symbol.search
Symbol.species
Symbol.split
test
toString
unicode
unicodeSets
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
Set
add
clear
delete
difference
entries
forEach
has
intersection
isDisjointFrom
isSubsetOf
isSupersetOf
keys
Set
size
Symbol.iterator
Symbol.species
symmetricDifference
union
values
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
difference
difference
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
intersection
intersection
/
mdn2
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en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
isDisjointFrom
isDisjointFrom
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
isSubsetOf
isSubsetOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
isSupersetOf
isSupersetOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
symmetricDifference
symmetricDifference
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Set
/
union
union
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
SharedArrayBuffer
SharedArrayBuffer
byteLength
grow
growable
maxByteLength
SharedArrayBuffer
slice
Symbol.species
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
String
String
anchor
at
big
blink
bold
charAt
charCodeAt
codePointAt
concat
endsWith
fixed
fontcolor
fontsize
fromCharCode
fromCodePoint
includes
indexOf
isWellFormed
italics
lastIndexOf
length
link
localeCompare
match
matchAll
normalize
padEnd
padStart
raw
repeat
replace
replaceAll
search
slice
small
split
startsWith
strike
String
sub
substr
substring
sup
Symbol.iterator
toLocaleLowerCase
toLocaleUpperCase
toLowerCase
toString
toUpperCase
toWellFormed
trim
trimEnd
trimStart
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Symbol
Symbol
asyncIterator
description
for
hasInstance
isConcatSpreadable
iterator
keyFor
match
matchAll
replace
search
species
split
Symbol
Symbol.toPrimitive
toPrimitive
toString
toStringTag
unscopables
valueOf
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
SyntaxError
SyntaxError
SyntaxError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
TypedArray
TypedArray
at
buffer
byteLength
byteOffset
BYTES_PER_ELEMENT
copyWithin
entries
every
fill
filter
find
findIndex
findLast
findLastIndex
forEach
from
includes
indexOf
join
keys
lastIndexOf
length
map
of
reduce
reduceRight
reverse
set
slice
some
sort
subarray
Symbol.iterator
Symbol.species
toLocaleString
toReversed
toSorted
toString
values
with
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
TypeError
TypeError
TypeError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Uint16Array
Uint16Array
Uint16Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Uint32Array
Uint32Array
Uint32Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Uint8Array
Uint8Array
Uint8Array
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
Uint8ClampedArray
Uint8ClampedArray
Uint8ClampedArray
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
URIError
URIError
URIError
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
WeakMap
WeakMap
delete
get
has
set
WeakMap
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
WeakRef
WeakRef
deref
WeakRef
/
mdn2
/
en-US
/
docs
/
Web
/
JavaScript
/
Reference
/
Global_Objects
/
WeakSet
WeakSet
add
delete
has
WeakSet