performanceNavigationTiming top-level property

dynamic get performanceNavigationTiming

Provides methods and properties to store and retrieve metrics regarding the browser's document navigation events. For example, this interface can be used to determine how much time it takes to load or unload a document.

MDN Reference

Implementation

_i2.dynamic get performanceNavigationTiming => _i4.getProperty(
      _self,
      'PerformanceNavigationTiming',
    );