getSelectedId

提供当前选中任务的id

string

选中任务的id，如果甘特图中没有选中任务，则返回 null

Example

const tasks = {
  data:[
     {id:"p_1", text:"Project #1", start_date:"01-04-2013", duration:18, open:true},
     {id:"t_1", text:"Task #1", start_date:"02-04-2013", duration:8, parent:"p_1"},
     {id:"t_2", text:"Task #2", start_date:"11-04-2013", duration:8, parent:"p_1"}
   ]
};
 
gantt.init("gantt_here");
gantt.parse(tasks);
 
gantt.selectTask("t_1"); 
gantt.getSelectedId(); // -> "t_1"

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