The d3.schemePuOr[] function is a part of the diverging color scheme in d3.js and is used to return a HEX code color string which corresponds to the color from “PuOr” diverging color scheme.
Syntax:
d3.schemePuOr[k];
Parameters: This function accepts a single parameter as mentioned above and described below:
- k: It is any number in range 3 to 10 inclusively.
Return Values: It returns a hex code of the color.
Below examples illustrate the d3.schemePuOr[] function in D3.js:
Example 1:
HTML
<!DOCTYPE html> < html lang = "en" >
< head >
< meta charset = "UTF-8" />
< meta name = "viewport" path1tent=" width = device -width,
initial-scale = 1 .0" />
</ script >
</ script >
< script src =
</ script >
< script src =
</ script >
</ head >
< body >
< h2 style = "color:green;" >Geeks for geeks</ h2 >
< p >Different colors from schemePuOr are: </ p >
< script >
document.write("< p >< b >"
+ d3.schemePuOr[10][9] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][5] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][4] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][3] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][2] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][1] + "</ p ></ b >");
document.write("< p >< b >"
+ d3.schemePuOr[10][0] + "</ p ></ b >");
</ script >
</ body >
</ html >
|
Output:
Example 2:
HTML
<!DOCTYPE html> < html lang = "en" >
< head >
< meta charset = "UTF-8" >
< meta name = "viewport" content=" width = device -width,
initial-scale = 1 .0">
<!--Fetching from CDN of D3.js -->
</ script >
</ script >
< script src =
</ script >
< script src =
</ script >
< style >
div {
padding: 6px;
color: white;
text-align: center;
vertical-align: middle;
display: flex;
justify-content: center;
width: fit-content;
margin-top: 2px;
height: 20px;
}
</ style >
</ head >
< body >
< h1 style = "color:green;" >GeeksforGeeks</ h1 >
< h2 >D3.schemePuOr[k] </ h2 >
< div class = "box1" >
< span >d3.schemePuOr[10][9]</ span >
</ div >
< div class = "box2" >
< span >d3.schemePuOr[10][5]</ span >
</ div >
< div class = "box3" >
< span >d3.schemePuOr[10][4]</ span >
</ div >
< div class = "box4" >
< span >d3.schemePuOr[10][2]</ span >
</ div >
< div class = "box5" >
< span >d3.schemePuOr[10][0]</ span >
</ div >
< script >
// creating different colors
// for different value of k
let color1 =
d3.schemePuOr[10][0];
let color2 =
d3.schemePuOr[10][1];
let color3 =
d3.schemePuOr[10][2];
let color4 =
d3.schemePuOr[10][3];
let color5 =
d3.schemePuOr[10][4];
// Selecting Div using query selector
let box1 = document.querySelector(".box1");
let box2 = document.querySelector(".box2");
let box3 = document.querySelector(".box3");
let box4 = document.querySelector(".box4");
let box5 = document.querySelector(".box5");
// Setting style and BG color of
// the particular DIVs
box1.style.backgroundColor = color1;
box2.style.backgroundColor = color2;
box3.style.backgroundColor = color3;
box4.style.backgroundColor = color4;
box5.style.backgroundColor = color5;
</ script >
</ body >
</ html >
|
Output: