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sungryeol park(max)
frontend + d3
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Published
By
sungryeol park(max)
Edited
Jun 25, 2021
1 star
Insert cell
Insert cell
sampleMap
=
{
const
sm
=
new
Map
(
)
;
sm
.
set
(
1
,
{
data
:
1
}
)
;
sm
.
set
(
2
,
{
data
:
'b'
}
)
;
sm
.
set
(
3
,
3
)
;
return
sm
;
}
Insert cell
{
const
obj
=
[
]
;
sampleMap
.
forEach
(
itm
=>
obj
.
push
(
itm
)
)
;
return
obj
;
}
Insert cell
// key should be converted to object for weakmap
weakMapKey1
=
Object
(
Symbol
(
'key1'
)
)
Insert cell
myWeakMap
=
{
const
wm
=
new
WeakMap
(
)
;
wm
.
set
(
weakMapKey1
,
{
data
:
1
}
)
;
return
wm
;
}
Insert cell
myWeakMap
.
get
(
weakMapKey1
)
Insert cell
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sampleMap
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weakMapKey1
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myWeakMap
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