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Run results for:
set.has vs. array.includes counter
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
includes
11994139.0 Ops/sec
lookup
29483812.0 Ops/sec
Script Preparation code:
var a = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10']; var b = new Set(a) var c = 0
Tests:
includes
c += +a.includes(`${(Math.random() * 10) >> 0}`) > 5 ? 1 : -1
lookup
c += +b.has(`${(Math.random() * 10) >> 0}`) > 5 ? 1 : -1