Javascript ES5

See also gas-snippets

Objects

Sort Object by Key Values

function sortObj(obj) {
  return Object.keys(obj)
    .sort()
    .reduce(function (result, key) {
      result[key] = obj[key];
      return result;
    }, {});
}

Sort Object by Key Values (one liner)

const sortObject = (obj) =>
  Object.keys(obj)
    .sort()
    .reduce((res, key) => ((res[key] = obj[key]), res), {});