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hasChild

Description​

Returns the number of child task(s)

hasChild: (id: string | number) => number | undefined

Parameters​

  • id - (required) string | number - the task id

Returns​

  • childs - (number | undefined) - the number of child tasks (if exist), or "undefined" otherwise

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.hasChild("p_1"); //-> 2 /*!*/
gantt.hasChild("t_1"); //-> undefined /*!*/