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Run results for:
Array.from() vs new Array() 3
Testing the difference between creating filled arrays.
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
new Array()
180157.4 Ops/sec
Array.from()
20989.4 Ops/sec
Script Preparation code:
let length = { length: 500 }, func = () => 0
Tests:
new Array()
new Array(500).fill(0, 0, 500)
Array.from()
Array.from(length, func)