Run results for: char index vs charAt() for non-zero index

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

character index

106.7M/s

charAt()

101.4M/s

View exact numbers

Test name	Executions per second
✓ character index	106,663,160 Ops/sec
charAt()	101,421,720 Ops/sec

Script Preparation code:

var str = '!foo bar baz';
var noop = Function.prototype;

Tests: