Run results for: svg line element setAttribute vs. className.baseVal

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Edg/131.0.0.0

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

setAttribute

3K/s

className.baseVal

3K/s

View exact numbers

Test name	Executions per second
✓ setAttribute	3,243 Ops/sec
className.baseVal	2,970 Ops/sec

HTML Preparation code:

<svg xmlns="http://www.w3.org/2000/svg"><defs><symbol><line></line></symbol></defs></svg>

Script Preparation code:

var element = document.getElementsByTagName("line")[0];

Tests:

className.baseVal
var i = 1000; while (i--) { element.className.baseVal = "bar"; }
setAttribute
var i = 1000; while (i--) { element.setAttribute("class", "bar"); }