The d3.timeHours() function in D3.js is used to return all the hours with date in the given range of start and end time.
Syntax:
d3.timeHours(start, end, step);
Parameters: This function accept three parameters which are given below:
- Start: This parameter holds the given start time.
- end: This parameter holds the given end time.
- step: This is the optional value used to skip hours.
Return Value: This function returns all the possible hours in the given range.
Below programs illustrate the d3.timeHours() function in D3.js:
Example 1:
<!DOCTYPE html> <html> <head> <title> D3.js | d3.timeHours() Function </title> <script src = </script> </head> <body> <script> // Initialising start and end time var start = new Date(2015, 07, 01, 4, 20); var end = new Date(2015, 07, 01, 8, 20); // Calling the timeHours() function // without step value var a = d3.timeHours(start, end); // Getting the hours values console.log(a); </script> </body> </html> |
Output:
["2015-07-31T23:30:00.000Z", "2015-08-01T00:30:00.000Z", "2015-08-01T01:30:00.000Z", "2015-08-01T02:30:00.000Z"]
Example 2:
<!DOCTYPE html> <html> <head> <title> D3.js | d3.timeHours() Function </title> <script src = </script> </head> <body> <script> // Initialising start and end time var start = new Date(2015, 07, 01, 1, 20); var end = new Date(2015, 07, 01, 6, 20); // Calling the timeHours() function // with step value var a = d3.timeHours(start, end, 2); // Getting the hour values console.log(a); </script> </body> </html> |
Output:
["2015-07-31T20:30:00.000Z", "2015-07-31T22:30:00.000Z", "2015-08-01T00:30:00.000Z"]
Reference: https://devdocs.io/d3~5/d3-time#timeHours
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