Run results for: testthis - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4148.0 Safari/537.36

Browser: Chrome 85

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
a	84022.0 Ops/sec
c	304433.5 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

<div id="box" style="background:#555;color:#FFF;position:absolute;left:0;top:0;width:400px;height:100px;</div>

Tests:

a
var elem = document.getElementById('box'); elem.style.cssText +=';width:300px;height:50px;';
c
var elem = document.getElementById('box'); elem.style.width = '300px'; elem.style.height = '50px'; elem.style.top = '40px'; elem.style.left = '90px';