Run results for: HTML Escape textContent vs replace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

replace

1.2M/s

textContent

703K/s

View exact numbers

Test name	Executions per second
✓ replace	1,155,594 Ops/sec
textContent	703,321 Ops/sec

Script Preparation code:

var toEscape = `ab<div id="a" class='sasa'>asa</div>`;
var result = '';

Tests:

textContent
var div = document.createElement('div'); div.textContent = toEscape; result = div.innerHTML;
replace
var map = { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }; result = toEscape.replace(/[&<>"']/g, function(m) { return map[m]; });