Run results for: ArrayBuffer.slice vs Uint8Array.slice

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Uint8Array.slice

20.4M/s

ArrayBuffer.slice

2.1M/s

View exact numbers

Test name	Executions per second
✓ Uint8Array.slice	20,364,112 Ops/sec
ArrayBuffer.slice	2,134,322 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 buffer = new ArrayBuffer(bytes);
var bufferArray = new Uint8Array(bytes);

Tests:

ArrayBuffer.slice
buffer.slice(3, 13);
Uint8Array.slice
bufferArray.slice(3, 13);