What is the Chrome Dev Tools “Hit Test” timeline entry?

When looking at a Chrome Dev Tools timeline I noticed that there was a “Hit Test” entry every time somethings happens:

enter image description here

Does anyone know what it is? I’ve done my googling, but am still at a loss.


A hit test is how a contact (mouse/touch) event is checked to see what it “hit” in the DOM.

https://www.chromium.org/developers/design-documents/compositor-hit-testing describes some of this.

The answers/resolutions are collected from stackoverflow, are licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0 .
Read More:   Javascript 2d array indexOf

Similar Posts