{"ScriptPreparationCode":"var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];\r\nvar b = new Set(a)\r\nvar c = new Map();\r\na.forEach(x =\u003E c.set(x, x)) // just for test.","TestCases":[{"Name":"Array.includes","Code":"return a.includes(19)","IsDeferred":false},{"Name":"Set.has","Code":"return b.has(19)","IsDeferred":false},{"Name":"Array.find","Code":"return a.find(x =\u003E x === 19)","IsDeferred":false},{"Name":"Map.has","Code":"return c.has(9)","IsDeferred":false}]}