release/dataTable.es6.js
function GetTotalFlexGrow(columns){
  var totalFlexGrow = 0;

  for (let c of columns) {
    totalFlexGrow += c.flexGrow || 0;
  }

  return totalFlexGrow;
}
function GetTotalFlexGrow(columns){
  var totalFlexGrow = 0;

  for (let c of columns) {
    totalFlexGrow += c.flexGrow || 0;
  }

  return totalFlexGrow;
}
Calculates the Total Flex Grow
@param {array}