ProgressEventInit
fun
ProgressEventInit
(
lengthComputable
:
Boolean
?
=
false
,
loaded
:
Number
?
=
0
,
total
:
Number
?
=
0
,
bubbles
:
Boolean
?
=
false
,
cancelable
:
Boolean
?
=
false
,
composed
:
Boolean
?
=
false
)
:
ProgressEventInit
(source)