// PerformancePaintTiming对象 PerformancePaintTiming = function PerformancePaintTiming(){return bodavm.toolsFunc.throwError("TypeError", "Illegal constructor")} bodavm.toolsFunc.safeProto(PerformancePaintTiming, "PerformancePaintTiming"); PerformancePaintTiming.prototype.__proto__=PerformanceEntry.prototype; PerformancePaintTiming.__proto__=PerformanceEntry;