The d3.interpolateCubehelixLong() function is used to return the cubehelix color space interpolator between the two given colors A and B. It uses the shortest path between the hues.
Syntax:
d3.interpolateCubehelixLong(a, b);
Parameters: It takes the two parameters as given above and described below.
- a: It is the name of color in string format.
- b: It is also the name of color in string format.
Return Value: It returns the function.
Example 1:
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 type = "text/javascript" </ script > </ head > < body > < script > console.log("Type of the function is: ", typeof(d3.interpolateCubehelixLong("white", "red"))) console.log( d3.interpolateCubehelixLong("blue", "white")(0.9)) console.log( d3.interpolateCubehelixLong("white", "green")(0.1)) </ 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" > <!--Fetching from CDN of D3.js --> < script type = "text/javascript" </ script > < style > .bx1, .bx2 { width: 100px; height: 100px; } </ style > </ head > < body > < p >D3.interpolateCubehelixLong()</ p > < div class = "bx1" ></ div > < div class = "bx2" ></ div > < script > let color1 = d3.interpolateCubehelixLong("green", "white")(0.1) let color2 = d3.interpolateCubehelixLong("white", "green")(0.1) let bx1 = document.querySelector(".bx1"); bx1.style.backgroundColor = color1; let bx2 = document.querySelector(".bx2"); bx2.style.backgroundColor = color2; </ script > </ body > </ html > |
Output: Note the difference between giving green color as the first parameter and white color as the first parameter.