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;
}
function GetTotalFlexGrow ( columns ) { var totalFlexGrow = 0 ; for ( let c of columns ) { totalFlexGrow += c . flexGrow || 0 ; } return totalFlexGrow ; }
Calculates the Total Flex Grow
@param {array}
Calculates the Total Flex Grow