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getTotalSlack

info

This functionality is available in the PRO edition only.

Description​

Returns the total slack of a task

getTotalSlack: (task?: Task | string | number) => any

Parameters​

  • task- (optional) Task | string | number - optional, the object of a task or its ID

Returns​

  • total_slack - (number | object) - either the total slack of a task or, if the task parameter is not specified, an object with key:value pairs where key is the id of a task and value is the total slack of the task

Example​

var task = gantt.getTask(7);
gantt.getTotalSlack(task);

gantt.getTotalSlack(7);

Details​

note

This method is defined in the critical_path extension, so you need to activate the critical_path plugin using the gantt.plugins method. Read the details in the Critical Path article.

Total slack is a period of time that can be used to increase the duration of a task or move it on the timeline without affecting the time of ending of the whole project.