performanceTiming top-level property
dynamic
get
performanceTiming
A legacy interface kept for backwards compatibility and contains properties that offer performance timing information for various events which occur during the loading and use of the current page. You get a PerformanceTiming object describing your page using the window.performance.timing property.
Implementation
_i2.dynamic get performanceTiming => _i4.getProperty(
_self,
'PerformanceTiming',
);