Run results for: setAttribute vs assignment (=) - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0

Browser: Firefox 114

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
<a> setAttribute	5378189.0 Ops/sec
<a> assignment (=)	5124156.0 Ops/sec
<input> assignment (=)	2126101.0 Ops/sec
<input> setAttribute	5587345.0 Ops/sec

Website performance monitoring

Script Preparation code:

var anchor = document.createElement("a");
var input = document.createElement("input");

Tests:

<a> setAttribute
anchor.setAttribute("href", "https://localhost/");
<a> assignment (=)
anchor.href = "https://localhost/";
<input> assignment (=)
input.value = "Hello! 🥺";
<input> setAttribute
input.setAttribute("value", "Hello! 🥺");