Run results for: Iterating over string

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Browser: Chrome 68

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Indexed access	5099.3 Ops/sec
charCodeAt	5239.3 Ops/sec

Script Preparation code:

var test = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque pretium, neque vitae varius imperdiet, sem sapien lobortis libero, a pulvinar magna ligula sit amet ante. Mauris interdum laoreet tortor, quis euismod ante accumsan in. Curabitur viverra quam quam, id dapibus justo fermentum lacinia. Pellentesque accumsan ultrices massa non volutpat. Vivamus pretium id diam sed auctor. Cras augue odio, bibendum non est at, molestie pellentesque sapien. Sed quis odio tempus, semper lectus a, luctus metus. Donec euismod vitae nibh at aliquam. Praesent mauris dui, pretium vel interdum eu, condimentum in mauris. Integer pellentesque sapien a nunc finibus, sed pellentesque nisl tempor.';
var chars = [];

Tests:

Indexed access
for (let i = 0; i < test.length; i++) { const c = test[i]; chars.push(c); }
charCodeAt
for (let i = 0; i < test.length; i++) { const c = test.charCodeAt(i); chars.push(c); }

Run results for: Iterating over string

Indexed access

charCodeAt