toggleTaskSelection

selects the specified task if it was unselected and vice versa

void toggleTaskSelection(string | number taskId);

taskId

string | number

the task's id

Example

gantt.toggleTaskSelection("t_1"); 
gantt.render();

Details

This method is defined in the multiselect extension, so you need to activate the multiselect plugin. Read the details in the Multi-Task Selection article.