W3cubDocs

/Dart 2

dart:html

performance property

Performance performance
@SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.FIREFOX), @SupportedBrowser(SupportedBrowser.IE), final

Timing and navigation data for this window.

Other resources

Measuring page load speed with navigation timeing from HTML5Rocks. Navigation timing specification from W3C.

Implementation 

final Performance performance

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/Window/performance.html