D3.js band.range() Function
The band.range() function in D3.js library is used to set the range of the scale to the specified two-element array of numbers. The default value of the range is [0, 1].
Syntax:
band.range([range]);
Parameters: This function accepts single parameters as given above and described below.
- range: This parameter accepts a two-element array of numbers.
Note: If the element in the range are not numbers then they are coerced to number.
Return Value: This function does not return anything.
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> // Create the band scale with specified // domain and range. var band = d3.scaleBand() .domain([0, 1]) .range([0, 1]); console.log("When range is [0, 1]"); console.log("band(0): ", band(0)); console.log("band(1): ", band(1)); var band = d3.scaleBand() .domain([0, 1]) .range([10, 20]); console.log("When range is [10, 20]"); console.log("band(0): ", band(0)); console.log("band(1): ", band(1)); </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> // Create the band scale with specified // domain and range. var band = d3.scaleBand() .domain([0, 1]) // These chars are coerced to numbers .range(["1", "2"]); console.log("When range is [\"1\", \"2\"]"); console.log("band(0): ", band(0)); console.log("band(1): ", band(1)); var band = d3.scaleBand() .domain([0, 1]) // These chars are coerced to numbers .range(["100", "200"]); console.log("When range is [\"100\", \"200\"]"); console.log("band(0): ", band(0)); console.log("band(1): ", band(1)); </script></body> </html> |
Output:
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