Run results for: for vs forin

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for loop	2982681.5 Ops/sec
forin loop	1046406.7 Ops/sec

Tests:

for loop
const code = ` <style> :component(DropDown) { .rounded { border-radius: 0.5rem; } } /* .rounded { border-radius: 0.5rem; } */ </style> `; // Array to store positions of opening and closing braces const positions = []; for (let i = 0; i < code.length; i++) { if (code[i] === '{' || code[i] === '}') { positions.push({ char: code[i], position: i }); } }
forin loop
const code = ` <style> :component(DropDown) { .rounded { border-radius: 0.5rem; } } /* .rounded { border-radius: 0.5rem; } */ </style> `; // Array to store positions of opening and closing braces const positions = []; let index = 0; for (const key of code) { index++; if (key === '{' || key === '}') { positions.push({ char: key, position: index }); } }