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onerror
Function onerror
onerror
(
fn
)
:
void
Parameters
fn
:
(
(
err
:
Error
,
t
:
Task
<
any
>
)
=>
void
|
Promise
<
void
>
)
(
err
,
t
)
:
void
|
Promise
<
void
>
Parameters
err
:
Error
t
:
Task
<
any
>
Returns
void
|
Promise
<
void
>
Returns
void
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