var filter = {
    CHROME: 'grayscale',
    SEPIA: 'sepia',
    MARVIN: 'invert',
    PHOBOS: 'blur',
    HEAT: 'brightness'
  };


  effectsList.addEventListener('change', function () {
    var checkedElement = getCheckedElement();

    Object.keys(filter).forEach(function (filterItem) {
      if (filterItem === checkedElement.value.toUpperCase()) {
        console.log(filter.filterItem);
      }
    });
  });