The d3.schemeReds[] function in D3.js is used to return a particular color from the “Reds” sequential color scheme which is returned as a HEX string.
Syntax:
d3.schemeReds[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 Values: It returns a HEX string.
Below given are a few examples of the function given above.
Example1:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" path1tent="width=device-width, initial-scale=1.0"/> <title>D3.js schemeReds[] Function</title> </head> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js schemeReds[] Function</h3> <script> document.write(d3.schemeReds[6][0]+"<br>"); document.write(d3.schemeReds[6][1]+"<br>"); document.write(d3.schemeReds[6][2]+"<br>"); document.write(d3.schemeReds[6][3]+"<br>"); document.write(d3.schemeReds[6][4]+"<br>"); document.write(d3.schemeReds[6][5]); </script> </center> </body> </html> |
Output:
Example2:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" path1tent="width=device-width, initial-scale=1.0"/> <title>D3.js schemeReds[] Function</title> </head> <style> div { padding: 10px; width: fit-content; height: 20px; } </style> <body> <center> <h1 style="color:green;">GeeksForGeeks</h1> <h3>D3.js schemeReds[] Function</h3> <div class="b1"> <span> D3.schemeReds[6][0] </span> </div> <div class="b2"> <span> D3.schemeReds[6][1] </span> </div> <div class="b3"> <span> D3.schemeReds[6][2] </span> </div> <div class="b4"> <span> D3.schemeReds[6][3] </span> </div> <div class="b5"> <span> D3.schemeReds[6][4] </span> </div> <div class="b6"> <span> D3.schemeReds[6][5] </span> </div> <script> // Array of colors is given let color1 = d3.schemeReds[6][0]; let color2 = d3.schemeReds[6][1]; let color3 = d3.schemeReds[6][2]; let color4 = d3.schemeReds[6][3]; let color5 = d3.schemeReds[6][4]; let color6 = d3.schemeReds[6][5]; 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"); b1.style.backgroundColor = color1; b2.style.backgroundColor = color2; b3.style.backgroundColor = color3; b4.style.backgroundColor = color4; b5.style.backgroundColor = color5; b6.style.backgroundColor = color6; </script> </center> </body> </html> |
Output:
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