parse date string YYYY-MM-DD to a date object array; use to plot with amCharts

convert_date_to_obj.js

function parseDate(dateString) {
  //first slice off hours and minutes; only take YYYY-MM-DD
  var strip_date = dateString.slice(0,10);
  var dateArray = strip_date.split("-");
  // create instance year, month and day as parameters
  var date = new Date(Number(dateArray[0]), Number(dateArray[1]) - 1, Number(dateArray[2]));
  return date;
}