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:136.0) Gecko/20100101 Firefox/136.0

Browser: Firefox 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

test inequality

390.9M/s

test strict inequality

346.8M/s

test strict equality

19K/s

test equality

18K/s

View exact numbers

Test name	Executions per second
✓ test inequality	390,933,952 Ops/sec
test strict inequality	346,830,336 Ops/sec
test strict equality	19,337 Ops/sec
test equality	17,795 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; }