Which equals operator (== vs ===) is faster?
Is there a performance benefit to replacing == with ===?
Date tested:
4 years ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Test name
Executions per second
test equality
14960.7 Ops/sec
test strict equality
14826.7 Ops/sec
Benchmark definition (click to collapse):
Tests:
test equality
var n = 0; while(true) { n++; if(n==100000) break; }
AخA
var
n
=
0
;
while
(
true
) {
n
++
;
if
(
n
==
100000
)
break
;
}
test strict equality
var n = 0; while(true) { n++; if(n===100000) break; }
var
n
=
0
;
while
(
true
) {
n
++
;
if
(
n
===
100000
)
break
;
}
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