{"ScriptPreparationCode":"/*your preparation JavaScript code goes here\r\nTo execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/\r\nasync function globalMeasureThatScriptPrepareFunction() {\r\n // This function is optional, feel free to remove it.\r\n // await someThing();\r\n}","TestCases":[{"Name":"number as key","Code":"/*When writing async/deferred tests, use \u0060deferred.resolve()\u0060 to mark test as done*/\r\nconst map1 = new Map();\r\nfor (let counter = 0; counter \u003C 1000; counter\u002B\u002B) {\r\n map1.set(counter, \u0060value_${counter}\u0060);\r\n}","IsDeferred":false},{"Name":"string inter as key","Code":"const map2 = new Map();\r\nfor (let counter = 0; counter \u003C 1000; counter\u002B\u002B) {\r\n map2.set(\u0060selector_${counter}\u0060, \u0060value_${counter}\u0060);\r\n}","IsDeferred":false}]}