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calculateDuration

Description​

Calculates the duration of a task

calculateDuration: (config: object, end_date: Date) => number

Parameters​

  • config - (required) object | Date - either the configuration object of a time span or the start date of the task
  • end_date - (optional) Date - the end date of the task. The parameter is required when the first parameter is specified as start_date.

Returns​

  • duration - (number) - the duration of a task in units specified by the duration_unit option

Example​

gantt.config.work_time = true;
gantt.init("gantt_here");

// calculate worktime duration between specified dates 
// (for specific task, if multiple working calendars used)
gantt.calculateDuration({
    start_date: new Date(2013,02,15), 
    end_date: new Date(2013,02,25)
    /*,task: task*/
});

// or 
gantt.calculateDuration(task);

// or 
gantt.calculateDuration(new Date(2013,02,15), new Date(2013,02,25)); //->6

Details​

note

If the work_time option is enabled, the method calculates the task's duration in working time.

Configuration object properties​

The configuration object can contain the following properties:

  • start_date - (Date) the date when a task is scheduled to begin
  • end_date - (Date) the date when a task is scheduled to be completed
  • task - (object) optional, the object of the task the duration of which should be calculated