{"ScriptPreparationCode":null,"TestCases":[{"Name":"_.groupBy","Code":"const a = [\u0022one\u0022, \u0022two\u0022, \u0022three\u0022];\r\n_.groupBy(a, \u0022length\u0022);","IsDeferred":false},{"Name":"Native Array reduce","Code":"const a = [\u0022one\u0022, \u0022two\u0022, \u0022three\u0022];\r\na.reduce((acc, curr) =\u003E { acc[curr.length] = (acc[curr.length] || []); acc[curr.length].push(curr); return acc; }, {});","IsDeferred":false}]}