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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=604280" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
test inequality
580.0M/s
test strict inequality
579.5M/s
test equality
20K/s
test strict equality
20K/s
View exact numbers
Test name
Executions per second
✓
test inequality
579,981,504 Ops/sec
test strict inequality
579,537,600 Ops/sec
test equality
20,417 Ops/sec
test strict equality
20,400 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; }