{"ScriptPreparationCode":"var timestamp = null;","TestCases":[{"Name":"Date.now()","Code":"timestamp = Date.now() - Date.now();","IsDeferred":false},{"Name":"new Date().getTime();","Code":"timestamp = new Date().getTime() - new Date().getTime();","IsDeferred":false},{"Name":"performance.now()","Code":"timestamp = performance.now() - performance.now();","IsDeferred":false}]}