{"ScriptPreparationCode":"var a = _.range(0, 1000).map(i =\u003E ({a: {id: i}}))\r\nvar b = [...a]\r\nb[500] = ({a: {id: 500}})","TestCases":[{"Name":"diff","Code":"console.log(_.difference(a, b))","IsDeferred":false},{"Name":"b","Code":"console.log(_.difference(a, b))","IsDeferred":false}]}