Run results for: ArrayBuffer.isView vs instanceof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 Edg/140.0.0.0

Browser: Chrome 140

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

ArrayBuffer.isView false

15.5M/s

ArrayBuffer.isView true

15.3M/s

instanceof true

13.0M/s

instanceof false

12.8M/s

View exact numbers

HTML Preparation code:

<script>
  const buffer = crypto.getRandomValues(new Uint8Array(10))
  const nobuffer = [...Array(10).keys()]
</script>

Tests: