The d3.interpolateYlOrRd() function in d3.js is used to return an RGB string of color from the diverging color scheme of “YlOrRd”.
Syntax:
d3.interpolateYlOrRd(t);
Parameters: This function accepts a single parameter as mentioned above and described below:
- t: It is numeric value which ranges in [0,1].
Return Values: This function returns an RGB color string.
Below examples illustrate the D3.js interpolateYlOrRd() function in JavaScript:
Example1:
HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <title>D3.js interpolateYlOrRd() Function</title> </head> <style></style> <body> <!--Fetching from CDN of D3.js --> <script src= </script> <script src= </script> <script src= </script> <script src= "https://d3js.org/d3- scale-chromatic.v1.min.js"> </script> <script> console.log(d3.interpolateYlOrRd(0.14)); console.log(d3.interpolateYlOrRd(0.4)); console.log(d3.interpolateYlOrRd(0.2)); console.log(d3.interpolateYlOrRd(0.25)); console.log(d3.interpolateYlOrRd(0.54)); console.log(d3.interpolateYlOrRd(0.85)); console.log(d3.interpolateYlOrRd(2)); console.log(d3.interpolateYlOrRd(1)); </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"/> <title>Document</title> </head> <style> div { padding: 6px; text-align: center; vertical-align: middle; display: flex; justify-content: center; width: 90px; height: 50px; float: left; } </style> <body> <h2>D3.interpolateYlOrRd()</h2> <div class="box1"> <span> </span> </div> <div class="box2"> <span> </span> </div> <div class="box3"> <span> </span> </div> <div class="box4"> <span> </span> </div> <div class="box5"> <span> </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 // Values of t is 0.1 let color1 = d3.interpolateYlOrRd(0.1); // Values of t is 0.3 let color2 = d3.interpolateYlOrRd(0.3); // Values of t is 0.5 let color3 = d3.interpolateYlOrRd(0.5); // Values of t is 0.8 let color4 = d3.interpolateYlOrRd(0.8); // Values of t is 1.0 let color5 = d3.interpolateYlOrRd(1.0); // 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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