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Run results for:
Array fill vs for i loop
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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<iframe src="https://measurethat.net/Embed?id=490419" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 120
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
fill and foreach
51K/s
for
324/s
View exact numbers
Test name
Executions per second
✓
fill and foreach
51,181 Ops/sec
for
324 Ops/sec
Script Preparation code:
var iterations = 10000; var arrayTest = new Array(iterations);
Tests:
for
for (i = 0; i < iterations; i++) { arrayTest[i] = 0 }
fill and foreach
arrayTest.fill(0)