{"ScriptPreparationCode":"var a = [\r\n {id: 1, name: \u00221\u0022},\r\n {id: 2, name: \u00221\u0022},\r\n {id: 3, name: \u00221\u0022},\r\n {id: 4, name: \u00221\u0022},\r\n {id: 5, name: \u00221\u0022},\r\n {id: 6, name: \u00221\u0022},\r\n {id: 7, name: \u00221\u0022},\r\n {id: 8, name: \u00221\u0022},\r\n {id: 9, name: \u00221\u0022},\r\n {id: 10, name: \u00221\u0022},\r\n];","TestCases":[{"Name":"Find","Code":"return a.find(n =\u003E n === 9);","IsDeferred":false},{"Name":"Map \u002B Set","Code":"var b = new Set(a.map(item =\u003E item.id));\r\nreturn b.has(9);","IsDeferred":false}]}