Run results for: matchMedia vs clientWidth vs innerWidth - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

Browser: Firefox 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
clientWidth	3805919.0 Ops/sec
matchMedia	663017.9 Ops/sec
innerWidth	4774772.0 Ops/sec

Website performance monitoring

HTML Preparation code:

Test

Tests:

clientWidth
document.documentElement.clientWidth > 640;
matchMedia
window.matchMedia("(min-width: 640px)").matches;
innerWidth
window.innerWidth > 640