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:
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