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Run results for:
Which equals operator (== vs === vs != vs !== ) is faster?
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<iframe src="https://measurethat.net/Embed?id=608559" 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/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
test strict inequality
172.9M/s
test inequality
165.2M/s
test strict equality
34K/s
test equality
30K/s
View exact numbers
Test name
Executions per second
✓
test strict inequality
172,895,632 Ops/sec
test inequality
165,228,960 Ops/sec
test strict equality
33,683 Ops/sec
test equality
30,238 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; }
test inequality
var n = 0; while(true) { n++; if(n!=100000) break; }
test strict inequality
var n = 0; while(true) { n++; if(n!==100000) break; }