{"ScriptPreparationCode":null,"TestCases":[{"Name":"Lodash","Code":"var grouped = _.groupBy([\u0027one\u0027, \u0027two\u0027, \u0027three\u0027], \u0027length\u0027)\r\nconsole.log(grouped)","IsDeferred":false},{"Name":"Native ","Code":"var grouped = [\u0027one\u0027, \u0027two\u0027, \u0027three\u0027].reduce((r, v, i, a, k = v.length) =\u003E ((r[k] || (r[k] = [])).push(v), r), {})\r\nconsole.log(grouped)","IsDeferred":false}]}