Run results for: offsetWidth / offsetHeight vs. getBoundingClientRect() vs. clientWidth / clientHeight

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
✓ getBoundingClientRect() (simple property access)	2,854,651 Ops/sec
getBoundingClientRect() (destructured)	2,552,615 Ops/sec
clientWidth / clientHeight (destructured)	2,471,218 Ops/sec
clientWidth / clientHeight (simple property access)	2,470,721 Ops/sec
offsetWidth / offsetHeight (simple property access)	2,253,865 Ops/sec
offsetWidth / offsetHeight (destructured)	2,147,354 Ops/sec
offsetWidth / offsetHeight (destructured and renamed)	1,943,031 Ops/sec

Test name

Executions per second

✓ getBoundingClientRect() (simple property access)

2,854,651 Ops/sec

getBoundingClientRect() (destructured)

2,552,615 Ops/sec

clientWidth / clientHeight (destructured)

2,471,218 Ops/sec

clientWidth / clientHeight (simple property access)

2,470,721 Ops/sec

offsetWidth / offsetHeight (simple property access)

2,253,865 Ops/sec

offsetWidth / offsetHeight (destructured)

2,147,354 Ops/sec

offsetWidth / offsetHeight (destructured and renamed)

1,943,031 Ops/sec

Tests:

offsetWidth / offsetHeight (destructured and renamed)
const { offsetWidth: width, offsetHeight: height } = el; const perim = (width + height) * 2;
offsetWidth / offsetHeight (destructured)
const { offsetWidth, offsetHeight } = el; const perim = (offsetWidth + offsetHeight) * 2;
offsetWidth / offsetHeight (simple property access)
const width = el.offsetWidth; const height = el.offsetHeight; const perim = (width + height) * 2;
getBoundingClientRect() (destructured)
const { width, height } = el.getBoundingClientRect(); const perim = (width + height) * 2;
getBoundingClientRect() (simple property access)
const rect = el.getBoundingClientRect(); const width = rect.width; const height = rect.height; const perim = (width + height) * 2;
clientWidth / clientHeight (destructured)
const { clientWidth, clientHeight } = el; const perim = (clientWidth + clientHeight) * 2;
clientWidth / clientHeight (simple property access)
const width = el.clientWidth; const height = el.clientHeight; const perim = (width + height) * 2;