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Run results for:
Array fill vs map
People tend to use array fil and then foreach, we know foreach is faster than a for loop, but is it also faster if you use array fill first?
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0
Browser:
Firefox 147
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 months ago
Test name
Executions per second
fill
581684.5 Ops/sec
fill and map
18259.0 Ops/sec
Script Preparation code:
var iterations = 10000;
Tests:
fill
new Uint8Array(iterations).fill(0);
fill and map
new Uint8Array(iterations).map((_, i) => 0);