isTaskVisible

确定指定任务当前是否显示在甘特图中

boolean isTaskVisible(string | number id);
idstring | number任务的唯一标识符
booleantrue 表示任务当前显示在甘特图中;否则为 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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