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Run results for:
JS if/if vs if/else if with negotiations
Modification of https://www.measurethat.net/Benchmarks/Show/1726/0/js-ifif-vs-ifelse-if with test case for heterogeneous checks
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<iframe src="https://measurethat.net/Embed?id=557443" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
if & if/else if homogeneous
17.9M/s
if/else if heterogeneous
17.8M/s
if/if
17.7M/s
View exact numbers
Test name
Executions per second
✓
if & if/else if homogeneous
17,868,772 Ops/sec
if/else if heterogeneous
17,764,194 Ops/sec
if/if
17,744,056 Ops/sec
Script Preparation code:
var obj = { type: 1 }
Tests:
if/if
if(!obj) { return 'not defined' } if(obj.type === 1) { return 'defined 1' } if(obj.type === 2) { return 'defined 2' }
if/else if heterogeneous
if(!obj) { return 'not defined' } else if(obj.type === 1) { return 'defined 1' } else if(obj.type === 2) { return 'defined 2' }
if & if/else if homogeneous
if(!obj) { return 'not defined' } if(obj.type === 1) { return 'defined 1' } else if(obj.type === 2) { return 'defined 2' }