{"ScriptPreparationCode":"var timestamp = null;\r\n\r\nfunction t1 () {\r\n timestamp = Date.now() - Date.now();\r\n} \r\n\r\nfunction t2 () {\r\n timestamp = new Date().getTime() - new Date().getTime();\r\n} \r\n\r\nfunction t3 () {\r\n timestamp = performance.now() - performance.now();\r\n} ","TestCases":[{"Name":"Date.now()","Code":"t1();","IsDeferred":false},{"Name":"new Date().getTime();","Code":"t2();","IsDeferred":false},{"Name":"performance.now()","Code":"t3();","IsDeferred":false}]}