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Run results for:
RegExp replace vs no replace
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<iframe src="https://measurethat.net/Embed?id=537403" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Browser:
Chrome 127
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Current with RegExp
1683195.8 Ops/sec
Simpler without replace
13223985.0 Ops/sec
Tests:
Current with RegExp
const strip = (itemSlug, locale) => { let slugWithLocale = locale ? locale + '/' + itemSlug : itemSlug; slugWithLocale = slugWithLocale.replace(/\/?index$/, ''); return slugWithLocale; } strip('foo'); strip('foo', 'fr'); strip('index'); strip('index', 'fr'); strip('guides/getting-started'); strip('guides/getting-started', 'fr');
Simpler without replace
const strip = (itemSlug, locale) => { const slug = itemSlug === 'index' ? '' : itemSlug; return locale ? (slug ? locale + '/' + slug : locale) : slug; } strip('foo'); strip('foo', 'fr'); strip('index'); strip('index', 'fr'); strip('guides/getting-started'); strip('guides/getting-started', 'fr');