var final = sortedTeamNames.map(function(teamName) {
  if(rankingsTable.hasOwnProperty(teamName)) {
    return rankingsTable[teamName];
  };
  return undefined;
});

function foo() {
  return () => this.bar;
}

function foo() {
  var _this = this;

  return function () {
    return _this.bar;
  };
}

'use strict';
class Foo {
  constructor() {
    this.bar = 'baz';
  }

  print() {
    console.log(this.bar);
  }
}

'use strict';

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function getFinalTeams(rankings, teamNames) {
  return teamNames.map(function(teamName) {
    return rankings[teamName];
  });
}

function displayFinalResult() {
  var finalResults = getFinalTeams(rankingsTable, Object.keys(rankingsTable));
  GM_setValue(tableName, JSON.stringify(finalResults));
  displayResults(finalResults);
}

function displayFinalResult () {
    //Sort team name
    var sortedTeamNames = Object.keys (rankingsTable).sort ( function (zA, zB) {
        return zA.localeCompare (zB);
    } );

    //Store team name and rank array in a single array
    for (var J in sortedTeamNames) {
        var teamName    = sortedTeamNames[J];
        if (rankingsTable.hasOwnProperty (teamName) ) {
            final[teamName] = rankingsTable[teamName]
        }
    }

    //Save array to browser
    GM_setValue (tableName,  JSON.stringify (final) );

function displayResults(result) {
    //Get saved results
    var myList      = {};
    var myListObj   = GM_getValue (tableName,  "");
    if (myListObj) {
        myList      = JSON.parse (myListObj);
    }
    //Check if we have already fetched results for the day
    if (typeof result === 'undefined') { result = myList; console.log("Loading pre-loaded data");}
    var player = document.querySelectorAll('span[class="Fz-xxs"]'); //Get player element
    var opp = document.querySelectorAll('a[class="F-reset"]'); //Get opposing team element