{"ScriptPreparationCode":"var myIsNaN = Number.isNaN;\r\nvar x = Math.random() \u003E 0.5 ? Math.random() : NaN;","TestCases":[{"Name":"Number.isNaN","Code":"Number.isNaN(x)","IsDeferred":false},{"Name":"isNan","Code":"isNaN(x)","IsDeferred":false},{"Name":"isNaN field","Code":"myIsNaN(x)","IsDeferred":false},{"Name":"strict inequality","Code":"x !== x","IsDeferred":false}]}