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Run results for:
Unique Array: Lodash vs spread new Set vs reduce vs for v2
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=591096" 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/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Array from Set
740219.4 Ops/sec
Lodash Uniq
335367.7 Ops/sec
Array Unique
858119.2 Ops/sec
For Loop
771541.5 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var testArr = "JRQ, SCTS, KKC, KKC, KKC, RGC, PDA, PDA, RGC, KKC, PDA, PDA, PDA, SCTS, KKC, DAH, JRM, JRM, RGC, RGC, DAMB, DAMB, KKC, SCTS, RGC, PAC, KKC, KKC, SCTS, SCTS, SCTS, SCTS, KKC, KKC, MIDK, MIDK, KKC, RGC, CHTS, CHTS, CHTS, CHTS, JRQ, JRQ, SCTS, DAH, DAH, AEWC, DQQL, PAC, DQQL, DQQL, AEWC, KIS, AEWC, DQQL, AEWC, PAC, RHN, RHN, KIS, KIS, RHN, RHN, RHN, KIS, KIS, KIS, KIS, KIS, JRQ, RGC, SCTS, RGC, SCTS, KKC, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, DGJ, DGJ, RGC, KKC, KKC, MIDK, MIDK, RGC, KKC, RGC, RGC, RGC, RGC, DGJ, DGJ, PDA, RGC, JRQ, PDA, SCTS, RGC, RGC, SCTS, DXJM, JRQ, PDA, PDA, PDA, SCTS, DAH, DAH, RGC, RGC,".split(', ');
Tests:
Array from Set
[...new Set(testArr)]
Lodash Uniq
_.uniq(testArr)
Array Unique
const { resultArray } = testArr.reduce((result, item) => { if(!result.resultMap[item]){ result.resultMap[item] = true; result.resultArray.push(item) } return result; }, {resultArray: [], resultMap: {}}); return resultArray;
For Loop
const resultArray = []; const resultMap = {}; for(let i=0; i < testArr.length; i++ ) { const item = testArr[i]; if(resultMap[item]){ continue; } resultMap[item] = true; resultArray.push(item) } return resultArray;