isTaskVisible

checks whether the specifies task is currently rendered in the Gantt chart

boolean isTaskVisible(string| number id);
idstring| numberthe task's id
booleantrue, if the task is currently rendered in the Gantt chart. Otherwise, false

Example

const tasks = {
  data:[
     {id:"p_1", text:"Project #1", start_date:"01-04-2023", duration:18, 
     open:true},
     {id:"t_1", text:"Task #1", start_date:"02-04-2023", duration:8,
     parent:"p_1"},
     {id:"t_2", text:"Task #2", start_date:"11-04-2023", duration:8,
     parent:"p_1"}
   ]
};
gantt.init("gantt_here");
gantt.parse(tasks);
 
gantt.isTaskVisible("t_1"); // ->true

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