"use strict"; var _temp, _ref; var _slicedToArray = function (arr, i) { if (Array.isArray(arr)) { return arr; } else { var _arr = []; for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) { _arr.push(_step.value); if (i && _arr.length === i) break; } return _arr; } }; console.log((_temp = [123], _ref = _slicedToArray(_temp, 1), x = _ref[0], _temp));