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Amplify JS API Documentation
Amplify JS API Documentation
aws-amplify
utils
<Reference Types>
MessageEventTarget
Interface MessageEventTarget<T>
interface
MessageEventTarget
<
T
>
{
onmessage
:
null
|
(
(
this
,
ev
)
=>
any
)
;
onmessageerror
:
null
|
(
(
this
,
ev
)
=>
any
)
;
addEventListener
<
K
>
(
type
,
listener
,
options
?
)
:
void
;
addEventListener
(
type
,
listener
,
options
?
)
:
void
;
removeEventListener
<
K
>
(
type
,
listener
,
options
?
)
:
void
;
removeEventListener
(
type
,
listener
,
options
?
)
:
void
;
}
Type Parameters
T
Hierarchy (
view full
)
MessageEventTarget
MessagePort
Worker
Index
Properties
onmessage
onmessageerror
Methods
add
Event
Listener
remove
Event
Listener
Properties
onmessage
onmessage
:
null
|
(
(
this
,
ev
)
=>
any
)
MDN Reference
Type declaration
(
this
,
ev
)
:
any
Parameters
this
:
T
ev
:
MessageEvent
<
any
>
Returns
any
onmessageerror
onmessageerror
:
null
|
(
(
this
,
ev
)
=>
any
)
MDN Reference
Type declaration
(
this
,
ev
)
:
any
Parameters
this
:
T
ev
:
MessageEvent
<
any
>
Returns
any
Methods
add
Event
Listener
add
Event
Listener
<
K
>
(
type
,
listener
,
options
?
)
:
void
Type Parameters
K
extends
keyof
MessageEventTargetEventMap
Parameters
type
:
K
listener
:
(
(
this
,
ev
)
=>
any
)
(
this
,
ev
)
:
any
Parameters
this
:
T
ev
:
MessageEventTargetEventMap
[
K
]
Returns
any
Optional
options
:
boolean
|
AddEventListenerOptions
Returns
void
add
Event
Listener
(
type
,
listener
,
options
?
)
:
void
Parameters
type
:
string
listener
:
EventListenerOrEventListenerObject
Optional
options
:
boolean
|
AddEventListenerOptions
Returns
void
remove
Event
Listener
remove
Event
Listener
<
K
>
(
type
,
listener
,
options
?
)
:
void
Type Parameters
K
extends
keyof
MessageEventTargetEventMap
Parameters
type
:
K
listener
:
(
(
this
,
ev
)
=>
any
)
(
this
,
ev
)
:
any
Parameters
this
:
T
ev
:
MessageEventTargetEventMap
[
K
]
Returns
any
Optional
options
:
boolean
|
EventListenerOptions
Returns
void
remove
Event
Listener
(
type
,
listener
,
options
?
)
:
void
Parameters
type
:
string
listener
:
EventListenerOrEventListenerObject
Optional
options
:
boolean
|
EventListenerOptions
Returns
void
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onmessage
onmessageerror
add
Event
Listener
remove
Event
Listener
Amplify JS API Documentation
aws-amplify
@aws-amplify
geo
interactions
predictions
pubsub
adapter-nextjs
datastore-storage-adapter
MDN Reference