Run results for: Spilt() vs Substring()

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.1.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
split()	469608.2 Ops/sec
substring()	1401532.8 Ops/sec

Script Preparation code:

var paragraph = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Morbi enim nunc faucibus a pellentesque sit amet porttitor. Hac habitasse platea dictumst quisque sagittis purus sit amet volutpat. Viverra accumsan in nisl nisi scelerisque eu. Massa tincidunt dui ut ornare lectus sit amet est. Nec nam aliquam sem et tortor consequat id porta. Ut eu sem integer vitae justo eget. Quam vulputate dignissim suspendisse in est ante in nibh. A scelerisque purus semper eget duis. Non pulvinar neque laoreet suspendisse interdum consectetur.';

Tests:

split()
var split = paragraph.split(' '); console.log(split[split.length - 1]);
substring()
console.log(paragraph.substring(paragraph.lastIndexOf(' ') + 1))

Run results for: Spilt() vs Substring()

split()

substring()