Run results for: startsWith vs charCodeAt

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

charCodeAt

117.1M/s

startsWith

106.0M/s

View exact numbers

Test name	Executions per second
✓ charCodeAt	117,054,944 Ops/sec
startsWith	106,031,752 Ops/sec

Script Preparation code:

str = "hello world"

Tests: