{"ScriptPreparationCode":"var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];\r\nvar b = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9};\r\nvar randomIndex = Math.floor(Math.random() * 10);","TestCases":[{"Name":"Array.includes","Code":"a.includes(randomIndex);","IsDeferred":false},{"Name":"Dictionary lookup","Code":"b[randomIndex];","IsDeferred":false}]}