Run results for: Template string vs array join

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.2 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Template string slicing	246381100.0 Ops/sec
Array push and join	1252279.0 Ops/sec

Tests:

Template string slicing
const id = '10135533-2332-4012-aada-b36571a05399'; `${id.slice(1, 8)}${id.slice(9, 13)}${id.slice(15, 18)}`
Array push and join
const id = '10135533-2332-4012-aada-b36571a05399'; const timeStampParts = [] const chars = id.split('') let index = 0 for (const char of chars) { if ( (index !== 0 && index < 8) || (index >= 9 && index < 13) || (index >= 15 && index < 18) ) { timeStampParts.push(char) } index += 1 } const timestamp = timeStampParts.join('')