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Run results for:
Array+fill vs Array.from()
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0
Browser:
Firefox 148
Operating system:
Linux
Device Platform:
Desktop
Date tested:
24 days ago
Test name
Executions per second
Array()
203.6 Ops/sec
Array.from
190.1 Ops/sec
Script Preparation code:
function map(){ return 1 } let obj = {length:1000}, {from}=Array
Tests:
Array()
for(let i = 300; i--;)console.log(Array(1000).fill(1))
Array.from
for(let i = 300; i--;)console.log(from(obj,map))