Platform
Resources
Pricing
Sign in
Get started
Ajay
Workspace
Fork
Published
By
Ajay
Edited
Feb 3, 2020
1 star
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
types
=
[
true
,
false
,
//Booleans
1
,
0
,
-
1
,
Infinity
,
//Numbers
null
,
undefined
,
NaN
,
"1"
,
"0"
,
"-1"
,
""
,
//Strings
[
]
,
[
1
]
,
[
0
]
,
//Arrays
{
}
,
{
x
:
1
}
,
{
x
:
0
}
//objects
]
Insert cell
labels
=
[
"true"
,
"false"
,
//Booleans
"1"
,
"0"
,
"-1"
,
"Infinity"
,
//Numbers
"null"
,
"undefined"
,
"NaN"
,
"\"1\""
,
"\"0\""
,
"\"-1\""
,
"\"\""
,
//Strings
"[]"
,
"[1]"
,
"[0]"
,
//Arrays
"{}"
,
"{x:1}"
,
"{x:0}"
//objects
]
Insert cell
dataZip
=
d3
.
zip
(
d3
.
cross
(
types
,
types
)
,
d3
.
cross
(
labels
,
labels
)
)
Insert cell
false
==
0
Insert cell
arrayToObject
(
Object
.
values
(
comparisonGraph
[
0
]
)
[
0
]
)
Insert cell
arrayToObject
=
array
=>
array
.
reduce
(
(
obj
,
item
,
i
)
=>
{
obj
[
labels
[
i
]
]
=
Object
.
values
(
item
)
[
0
]
;
return
obj
;
}
,
{
}
)
Insert cell
comparisonGraph
=
labels
.
map
(
each
=>
{
let
column
=
each
;
let
retObj
=
{
}
;
retObj
[
column
]
=
labels
.
map
(
x
=>
{
let
weakComparison
=
x
==
each
;
let
obj
=
{
}
;
obj
[
x
]
=
weakComparison
;
return
obj
;
}
)
;
return
retObj
;
}
)
// .reduce((acc,it)=>{
// if (acc !== true) {
// acc = {...it};
// } else {
// acc[Object.keys(it)[0]] = Object.values(it)[0]
// }
// return acc;
// },{})
Insert cell
true
===
true
Insert cell
x
=
(
{
x
:
1
}
)
Insert cell
Object
.
is
(
{
x
:
1
}
,
{
x
:
1
}
)
Insert cell
undefined
===
undefined
Insert cell
(
{
}
==
null
)
Insert cell
"1"
===
1
Insert cell
values_cross
=
d3
.
cross
(
labels
,
labels
)
Insert cell
values_cross
.
map
(
x
=>
x
[
0
]
===
x
[
1
]
)
Insert cell
values_cross
.
map
(
x
=>
x
[
0
]
==
x
[
1
]
)
Insert cell
d3
=
require
(
'd3'
)
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
Learn more
Fork
View
Export
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
comparison
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
types
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
labels
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
dataZip
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
arrayToObject
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
comparisonGraph
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
x
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
values_cross
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
d3
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML