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Run results for:
Which equals operator (== vs === vs Object.is) is faster?
Is there a performance benefit to replacing == with ===?
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<iframe src="https://measurethat.net/Embed?id=487847" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
test equality
36K/s
test strict equality
35K/s
Object
182/s
View exact numbers
Test name
Executions per second
✓
test equality
35,572 Ops/sec
test strict equality
35,463 Ops/sec
Object
182 Ops/sec
Tests:
test equality
var n = 0; while(true) { n++; if(n==100000) break; }
test strict equality
var n = 0; while(true) { n++; if(n===100000) break; }
Object
var n = 0; while(true) { n++; if(Object.is(n,100000)) break; }