Run results for: innerhtml vs removechild (table)1

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

removeChild

3.5M/s

deleteRow

2.5M/s

innerHTML

920K/s

View exact numbers

Test name	Executions per second
✓ removeChild	3,499,109 Ops/sec
deleteRow	2,500,428 Ops/sec
innerHTML	919,745 Ops/sec

HTML Preparation code:

<table><tbody id="container"></tbody></table>

Script Preparation code:

var node = document.getElementById('container');
const html = [];
for(var i = 0; i < 500; i++) html.push('<tr><td>aa</td><td>aa</td></tr>');
node.insertAdjacentHTML('beforeend', html.join(''));

Tests:

innerHTML
var node = document.getElementById('container'); node.innerHTML = '';
removeChild
var node = document.getElementById('container'); while(node.lastChild) node.removeChild(node.lastChild)
deleteRow
var tbody = document.getElementById('container'); var tbl = tbody.parentElement; var count = tbl.rows.length; for(var i = 1; i < count; i++){ tbl.deleteRow(i); }