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Run results for:
jmfSpeedTest2
which is faster, nested if or switch
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<iframe src="https://measurethat.net/Embed?id=513651" 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/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
switchCase
1959911.5 Ops/sec
nestedIf
1934365.0 Ops/sec
Script Preparation code:
const contentType = 'text/plain'
Tests:
switchCase
const contentTypes = ['application/json', 'application/xml', 'text/xml', 'text/plain', 'application/session-v1+json', 'badData']; const randomIndex = Math.floor(Math.random() * contentTypes.length); const contentType = contentTypes[randomIndex]; const response = 'something' switch (true) { case contentType.includes('application/json'): return response case contentType.includes('application/xml'): case contentType.includes('text/xml') : case contentType.includes('text/plain') : case contentType.includes('application/session-v1+json'): return response default: // Handle other content types or throw an error console.log('not one of the correct values') }
nestedIf
const contentTypes = ['application/json', 'application/xml', 'text/xml', 'text/plain', 'application/session-v1+json', 'badData']; const randomIndex = Math.floor(Math.random() * contentTypes.length); const contentType = contentTypes[randomIndex]; const response = 'something' if (contentType) { if (contentType.includes('application/json')) { return response } else if (contentType.includes('application/xml') || contentType.includes('text/xml') || contentType.includes('text/plain') || contentType.includes('application/session-v1+json')) { return response } // Handle other content types or throw an error console.log('not one of the correct values') }