{"ScriptPreparationCode":"window.m = new Map();\r\nwindow.o = {};\r\nfor (let i = 0; i \u003C 1000; \u002B\u002Bi) {\r\n window.m.set(\u0027a\u0027 \u002B i, i);\r\n window.o[\u0027a\u0027 \u002B i] = i;\r\n}","TestCases":[{"Name":"Map Lookup","Code":"for (let i = 0; i \u003C 1000; \u002B\u002Bi) {\r\n if (window.m.get(\u0027a\u0027 \u002B i) !== i) {\r\n console.log(\u0022bad map key\u0022);\r\n }\r\n}","IsDeferred":false},{"Name":"Object Lookup","Code":"for (let i = 0; i \u003C 1000; \u002B\u002Bi) {\r\n if (window.o[\u0027a\u0027 \u002B i] !== i) {\r\n console.log(\u0022bad object key\u0022);\r\n }\r\n}","IsDeferred":false}]}