{"ScriptPreparationCode":"var a = {1 : true, 4: true, 6: true, 9: true, 14: true};\r\nvar b = new Set(Object.keys(a));","TestCases":[{"Name":"in object","Code":"let r = false;\r\n\r\nfor (let i = 0; i \u003C 100; \u002B\u002Bi) {\r\n\tr = !!a[i];\r\n}","IsDeferred":false},{"Name":"lookup","Code":"let r = false;\r\n\r\nfor (let i = 0; i \u003C 100; \u002B\u002Bi) {\r\n\tr = b.has(i)\r\n}","IsDeferred":false}]}