Run results for: style vs. style.cssText single

Run details:

User agent: Mozilla/5.0 (Linux; Android 10) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Mobile Safari/537.36

Browser: Chrome Mobile 94

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
style	1425.4 Ops/sec
style.cssText	1327.9 Ops/sec

HTML Preparation code:

<div id='a'>foo</div>
<div id='b'>bar</div>

AخA
 
<div id='a'>foo</div>
<div id='b'>bar</div>

Script Preparation code:

var a = document.getElementById('a');
var b = document.getElementById('b');

 
var a = document.getElementById('a');var b = document.getElementById('b');

Tests:

a.style.fontSize = `${20 * Math.random()}px`;
const x = a.getBoundingClientRect();

 
a.style.fontSize = `${20 * Math.random()}px`;const x = a.getBoundingClientRect();

style.cssText
b.style.cssText = `font-size: ${20 * Math.random()}px;`; const x = b.getBoundingClientRect();
b.style.cssText = `font-size: ${20 * Math.random()}px;`;
const x = b.getBoundingClientRect();