Function notEmpty

codebase/sources/dhtmlxscheduler.js:15777–15779

(obj)

    return !isPresent(obj) || obj.length === 0;
  };
  var notEmpty = function(obj) {
    return !empty(obj);
  };
  var includes = function(arr, val) {
    return notEmpty(arr) && arr.indexOf(val) !== -1;
  };