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D3
Bring your data to life.
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d3-array
By
Fil
Edited
Oct 24, 2023
ISC
13 stars
Insert cell
Insert cell
Insert cell
numbers
=
[
16
,
15
,
18
,
10
,
17
,
14
,
13
,
19
,
11
,
12
]
Insert cell
2
d3
.
quickselect
(
numbers
.
slice
(
)
,
2
)
Insert cell
2
Insert cell
Insert cell
d3
.
quickselect
(
[
...
"how to select an array of strings"
]
,
10
)
Insert cell
Insert cell
left
=
4
Insert cell
k
=
6
// must be between >= left and <= right
Insert cell
right
=
8
// inclusive!
Insert cell
input
=
[
0
,
4
,
1
,
6
,
7
,
5
,
8
,
2
,
9
,
3
]
Insert cell
result
=
d3
.
quickselect
(
input
.
slice
(
)
,
k
,
left
,
right
)
Insert cell
Insert cell
Insert cell
Insert cell
result
.
slice
(
left
,
k
+
1
)
Insert cell
Insert cell
d3
.
quickselect
(
[
{
item
:
"Soup"
,
note
:
4
,
emoji
:
"🍜"
}
,
{
item
:
"Cabbage"
,
note
:
1
,
emoji
:
"🥬"
}
,
{
item
:
"Cake"
,
note
:
5
,
emoji
:
"🍰"
}
,
{
item
:
"Ice Cream"
,
note
:
3
,
emoji
:
"🍦"
}
]
,
2
,
// k
0
,
// left
3
,
// right
(
a
,
b
)
=>
a
.
note
-
b
.
note
// comparator
)
Insert cell
Insert cell
d3
=
require
(
"d3-array@3"
)
Insert cell
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