{"ScriptPreparationCode":"/*your preparation JavaScript code goes here\r\nTo execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/\r\nconst a = [];\r\nasync function globalMeasureThatScriptPrepareFunction() {\r\n // This function is optional, feel free to remove it.\r\n // await someThing();\r\n \tfor(let i = 0; i \u003C 100000; i\u002B\u002B) {\r\n a.push(Math.floor(Math.random() * 1000));\r\n }\r\n}","TestCases":[{"Name":"join","Code":"a.join(\u0027\u0027);","IsDeferred":false},{"Name":"for loop concatenation","Code":"let b = \u0027\u0027;\r\nfor(let j = 0; j \u003C a.length; j\u002B\u002B) {\r\n b \u002B= a[j];\r\n}","IsDeferred":false}]}