Run results for: Which equals operator (== vs === vs != vs !== ) is faster? - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

test strict inequality

659.5M/s

test inequality

659.3M/s

test strict equality

20K/s

test equality

19K/s

View exact numbers

Test name	Executions per second
✓ test strict inequality	659,527,168 Ops/sec
test inequality	659,282,688 Ops/sec
test strict equality	19,646 Ops/sec
test equality	19,489 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; }