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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=567842" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 16_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 16
Operating system:
iOS 16.7
Device Platform:
Mobile
Date tested:
one year ago
test strict inequality
218.0M/s
test inequality
186.8M/s
test strict equality
14K/s
test equality
14K/s
View exact numbers
Test name
Executions per second
✓
test strict inequality
217,989,232 Ops/sec
test inequality
186,821,472 Ops/sec
test strict equality
13,699 Ops/sec
test equality
13,660 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; }