{"ScriptPreparationCode":"var list = [];\r\nfor (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n list.push(i);\r\n}\r\nvar set = new Set(list);\r\nvar map = new Map();\r\nlist.forEach(item =\u003E map.set(item, true));","TestCases":[{"Name":"Set","Code":"var found = set.has(450);","IsDeferred":false},{"Name":"Map","Code":"var found = map.has(450)","IsDeferred":false}]}