The ordinal() function in d3.js library is used to return a value from the specified range on giving an input corresponding to the specified domain.
Syntax:
ordinal(value);
Parameters: This function accepts a single parameter as given above and described below.
- Value: This parameter accepts a value from the given domain.
Return Value: This function return a value from the range corresponding to the given input.
Below given are a few examples of the function given above.
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 > </ head > < body > < script > // Creating the Ordinal scale. var ordinal = d3.scaleThreshold() // Setting domain for the scale .domain([0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]) // Setting the range for the scale. .range([10, 20, 30, 40, 50, 60, 70, 80, 90]); console.log("ordinal(0.1)", ordinal(0.1)); console.log("ordinal(0.2)", ordinal(0.2)); console.log("ordinal(0.3)", ordinal(0.3)); console.log("ordinal(0.4)", ordinal(0.4)); console.log("ordinal(0.5)", ordinal(0.5)); console.log("ordinal(0.6)", ordinal(0.6)); console.log("ordinal(0.7)", ordinal(0.7)); console.log("ordinal(0.8)", ordinal(0.8)); </ script > </ body > </ html > |
Output:
Example 2:
HTML
<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" /> < meta name = "viewport" path1tent=" width = device -width, initial-scale = 1 .0" /> </ script > </ head > < body > < script > // Creating the Ordinal scale. var ordinal = d3.scaleThreshold() // Setting domain for the scale .domain([1, 2, 3, 4, 5, 6, 7, 8]) // Setting the range for the scale. .range(["one", "two", "three", "four", 50, 60, 70, 80, 90]); console.log("ordinal(1)", ordinal(1)); console.log("ordinal(2)", ordinal(2)); console.log("ordinal(3)", ordinal(3)); console.log("ordinal(4)", ordinal(4)); </ script > </ body > </ html > |
Output: