D3.js schemeOrRd[] Function
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D3.js schemeOrRd[] Function
Last Updated: 23-08-2020The d3.schemeOrRd[] function in D3.js is used to return a particular color from the “OrRd” sequential color scheme which is returned as a HEX string.
Syntax:
d3.schemeOrRd[k]
Parameters: This function accepts a single parameter as mentioned above and described below.
- k: “k” is a number ranging from 3 to 9.
Return Value: It returns a HEX string.
Example 1:
filter_none
edit
close
play_arrow
link
brightness_4
code
<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"UTF-8"
/>
<
meta
name
=
"viewport"
path1tent="
width
=
device
-width,
initial-scale
=
1
.0"/>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
</
head
>
<
body
>
<
center
>
<
h1
style
=
"color:green;"
>GeeksForGeeks</
h1
>
<
h3
>D3.js schemeOrRd[] Function</
h3
>
<
script
>
document.write(d3.schemeOrRd[8][0]+"<
br
>");
document.write(d3.schemeOrRd[8][1]+"<
br
>");
document.write(d3.schemeOrRd[8][2]+"<
br
>");
document.write(d3.schemeOrRd[8][3]+"<
br
>");
document.write(d3.schemeOrRd[8][4]+"<
br
>");
document.write(d3.schemeOrRd[8][5]+"<
br
>");
document.write(d3.schemeOrRd[8][6]+"<
br
>");
document.write(d3.schemeOrRd[8][7]+"<
br
>");
</
script
>
</
center
>
</
body
>
</
html
>
Output:
Example 2:
filter_none
edit
close
play_arrow
link
brightness_4
code
<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"UTF-8"
/>
<
meta
name
=
"viewport"
path1tent="
width
=
device
-width,
initial-scale
=
1
.0"/>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
<
script
src= "
</
script
>
<
style
>
div {
padding: 3px;
width: fit-content;
height: 20px;
width: 250px;
}
</
style
>
</
head
>
<
body
>
<
center
>
<
h1
style
=
"color:green;"
>GeeksForGeeks</
h1
>
<
h3
>D3.js schemeOrRd() Function</
h3
>
<
div
class
=
"b1"
>
<
span
>
D3.schemeOrRd[8][0]
</
span
>
</
div
>
<
div
class
=
"b2"
>
<
span
>
D3.schemeOrRd[8][1]
</
span
>
</
div
>
<
div
class
=
"b3"
>
<
span
>
D3.schemeOrRd[8][2]
</
span
>
</
div
>
<
div
class
=
"b4"
>
<
span
>
D3.schemeOrRd[8][3]
</
span
>
</
div
>
<
div
class
=
"b5"
>
<
span
>
D3.schemeOrRd[8][4]
</
span
>
</
div
>
<
div
class
=
"b6"
>
<
span
>
D3.schemeOrRd[8][5]
</
span
>
</
div
>
<
div
class
=
"b7"
>
<
span
>
D3.schemeOrRd[8][6]
</
span
>
</
div
>
<
div
class
=
"b8"
>
<
span
>
D3.schemeOrRd[8][7]
</
span
>
</
div
>
<
script
>
// Array of colors is given
let color1 = d3.schemeOrRd[8][0];
let color2 = d3.schemeOrRd[8][1];
let color3 = d3.schemeOrRd[8][2];
let color4 = d3.schemeOrRd[8][3];
let color5 = d3.schemeOrRd[8][4];
let color6 = d3.schemeOrRd[8][5];
let color7 = d3.schemeOrRd[8][6];
let color8 = d3.schemeOrRd[8][7];
let b1 = document.querySelector(".b1");
let b2 = document.querySelector(".b2");
let b3 = document.querySelector(".b3");
let b4 = document.querySelector(".b4");
let b5 = document.querySelector(".b5");
let b6 = document.querySelector(".b6");
let b7 = document.querySelector(".b7");
let b8 = document.querySelector(".b8");
b1.style.backgroundColor = color1;
b2.style.backgroundColor = color2;
b3.style.backgroundColor = color3;
b4.style.backgroundColor = color4;
b5.style.backgroundColor = color5;
b6.style.backgroundColor = color6;
b7.style.backgroundColor = color7;
b8.style.backgroundColor = color8;
</
script
>
</
center
>
</
body
>
</
html
>
Output:
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