{"ScriptPreparationCode":"var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\r\nvar b = new Set(a)\r\nvar c = {1: true, 2: true, 3: true, 4: true, 5: true, 6: true, 7: true, 8: true, 9: true, 10: true}","TestCases":[{"Name":"includes","Code":"var rando = parseInt(Math.random() * 10);\r\na.includes(rando);","IsDeferred":false},{"Name":"has","Code":"var rando = parseInt(Math.random() * 10);\r\nb.has(rando)","IsDeferred":false},{"Name":"in","Code":"var rando = parseInt(Math.random() * 10);\r\nrando in c;","IsDeferred":false}]}