Run results for: Measure Single Text

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 Edg/103.0.1264.62

Browser: Chrome 103

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
offsetWidth	717786.2 Ops/sec
getBoundingClientRect	386266.0 Ops/sec
canvas	478755.7 Ops/sec

HTML Preparation code:

<div>Hello World</div>

Script Preparation code:

const canvas = document.createElement('canvas')
window.context = canvas.getContext('2d')

Tests:

offsetWidth
document.querySelector('div').offsetWidth
getBoundingClientRect
document.querySelector('div').getBoundingClientRect().width
canvas
window.context.measureText('Hello world')

Run results for: Measure Single Text

Using various methods to measure a single string of text.

offsetWidth

getBoundingClientRect

canvas