Run results for: Array.at(-1) vs. Array.length - 1

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

const LEN - 1

595.1M/s

length - 1

583.2M/s

.at(-1)

404.0M/s

View exact numbers

Script Preparation code:

var LEN = 3000;
var arr = new Array(LEN).fill(0).map((_, i) => i);

Tests: