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Run results for:
ArrayBuffer encoding / decoding methods
Array.from() vs TextDecoder() and new Uint8Array() vs TextEncoder()
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=609259" width="100%" height="500px"></iframe>
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
Benchmark engine:
Benchmark.js
new Uint8Array()
890K/s
new TextDecoder()
530K/s
new TextEncoder()
244K/s
Array.from()
65K/s
View exact numbers
Test name
Executions per second
✓
new Uint8Array()
889,584 Ops/sec
new TextDecoder()
529,903 Ops/sec
new TextEncoder()
244,277 Ops/sec
Array.from()
65,273 Ops/sec
Script Preparation code:
var randomArray = Array.from({ length: 1000 }, () => Math.floor(Math.random() * 256)) var randomArrayBuffer = new Uint8Array(randomArray) var randomString = new TextDecoder().decode(randomArrayBuffer)
Tests:
Array.from()
Array.from(randomArrayBuffer)
new TextDecoder()
new TextDecoder().decode(randomArrayBuffer)
new Uint8Array()
new Uint8Array(randomArray)
new TextEncoder()
new TextEncoder().encode(randomString)