The d3.schemeRdGy[] function is used to return a HEX color code string which corresponds to the color from “RdGy” diverging color scheme in d3.js.
Syntax:
d3.schemeRdGy[k];
Parameters: This function accepts a single parameter as mentioned above and described below:
- k: This is a number between 3 and 10 both inclusive.
Return Values: This function returns a color string which is in HEX data format.
Below examples illustrate the D3.js schemeRdGy[] function in JavaScript:
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 src = </ script > < script src = </ script > < script src = </ script > < script src = </ script > </ head > < body > < h2 style = "color: green;" >Geeksforneveropen</ h2 > < p >D3.js schemeRdGy[] Function</ p > < script > document.write(" < p >< b >" +d3.schemeRdGy[10][9]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[10][5]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[10][4]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[10][3]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[10][2]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[10][1]+"</ p > </ b >"); document.write(" < p >< b >" +d3.schemeRdGy[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"/> </ head > < 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 > < body > < h2 style = "color: green;" > Geeksforneveropen </ h2 > < p >D3.schemeRdGy[] Function</ p > < div class = "box1" > < span >d3.schemeRdGy[10][9]</ span > </ div > < div class = "box2" > < span >d3.schemeRdGy[10][5]</ span > </ div > < div class = "box3" > < span >d3.schemeRdGy[10][4]</ span > </ div > < div class = "box4" > < span >d3.schemeRdGy[10][2]</ span > </ div > < div class = "box5" > < span >d3.schemeRdGy[10][0]</ span > </ div > <!--Fetching from CDN of D3.js --> < script src = </ script > < script src = </ script > < script src = </ script > < script src = </ script > < script > // Creating different colors for // different value of k let color1 = d3.schemeRdGy[9][5]; let color2 = d3.schemeRdGy[10][4]; let color3 = d3.schemeRdGy[9][3]; let color4 = d3.schemeRdGy[9][2]; let color5 = d3.schemeRdGy[9][1]; // 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: