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By
Momo
Edited
Sep 19, 2023
Insert cell
#
React
Insert cell
React
.
createElement
(
'div'
,
{
className
:
'aa'
}
,
"A"
)
Insert cell
React
.
createContext
(
"ctx"
)
Insert cell
React
.
createRef
(
)
Insert cell
mutable
v
=
null
Insert cell
v
[
1
]
(
5
)
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{
function
A
(
)
{
const
a
=
React
.
useState
(
0
)
mutable
v
=
a
return
`AAAA ${
a
[
0
]
}`
}
const
el
=
document
.
createElement
(
'div'
)
const
root
=
ReactDOM
.
createRoot
(
el
)
root
.
render
(
React
.
createElement
(
A
)
)
return
el
return
[
el
,
root
]
}
Insert cell
{
const
div
=
document
.
createElement
(
"div"
)
;
const
root
=
ReactDOM
.
createRoot
(
div
)
;
root
.
render
(
{
...
React
.
createElement
(
)
,
type
:
"h1"
,
props
:
{
style
:
{
color
:
"red"
}
,
children
:
"Heading Level 1"
}
,
}
)
;
return
div
}
Insert cell
Insert cell
React
=
await
import
(
'https://esm.sh/react'
)
Insert cell
ReactDOM
=
await
import
(
'https://esm.sh/react-dom'
)
Insert cell
htm
=
{
const
m
=
await
import
(
"https://esm.sh/htm"
)
;
m
.
default
.
bind
(
React
.
createElement
)
;
return
m
.
default
;
}
Insert cell
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Try it for free
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React
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ReactDOM
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htm
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