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Run results for:
string characters split map vs for loop vs split foreach
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=539382" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0
Browser:
Firefox Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
for loop
1.5M/s
split map
1.5M/s
split foreach
1.3M/s
View exact numbers
Test name
Executions per second
✓
for loop
1,549,646 Ops/sec
split map
1,529,963 Ops/sec
split foreach
1,254,232 Ops/sec
Tests:
split map
const string = 'asdf1234qwer'; const mapper = (char) => String.fromCharCode(char.charCodeAt(0)) string.split('').map(mapper).join('')
for loop
const string = 'asdf1234qwer'; const mapper = (char) => String.fromCharCode(char.charCodeAt(0)) let result = "" for(const char of string) { result += mapper(char) }
split foreach
const string = 'asdf1234qwer'; const mapper = (char) => String.fromCharCode(char.charCodeAt(0)) let result = '' string.split('').forEach(char => { result += mapper(char) })