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 neveropen</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;">neveropen</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:
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