Run results for: Uint8Array.subarray vs Uint8Array.slice

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Uint8Array.slice

19.7M/s

Uint8Array.subarray

16.5M/s

View exact numbers

Test name	Executions per second
✓ Uint8Array.slice	19,688,382 Ops/sec
Uint8Array.subarray	16,501,719 Ops/sec

Script Preparation code:

var bytes = [84,104,105,115,32,105,115,32,97,32,115,97,109,112,108,101,32,112,97,114,97,103,114,97,112,104,46];
var bufferArray = new Uint8Array(bytes);

Tests:

Uint8Array.subarray
bufferArray.subarray(3, 13);
Uint8Array.slice
bufferArray.slice(3, 13);