Benchmark: == vs === v3 - MeasureThat.net

== vs === v3 (version: 5)

Tests:

==
for (let a = 0; a < 1_000_000; a++) { a == 1; }
===
for (let a = 0; a < 1_000_000; a++) { a === 1; }
== str
for (let a = 0; a < 1_000_000; a++) { a == '1'; }
=== str
for (let a = 0; a < 1_000_000; a++) { a === '1'; }
== true
for (let a = 0; a < 1_000_000; a++) { a == true; }
== null
for (let a = 0; a < 1_000_000; a++) { a == null; }
=== null
for (let a = 0; a < 1_000_000; a++) { a === null; }
=== true
for (let a = 0; a < 1_000_000; a++) { a === true; }
== str with str
for (let a = 0, b = ''; a < 1_000_000; a++) { b == '0'; }
=== str with str
for (let a = 0, b = ''; a < 1_000_000; a++) { b === '0'; }
== str with number
for (let a = 0, b = ''; a < 1_000_000; a++) { b == 0; }
=== str with number
for (let a = 0, b = ''; a < 1_000_000; a++) { b === 0; }
obj to bool
for (let a = 0, b = {}; a < 1_000_000; a++) { b == true; }
bool to bool
for (let a = 0, b = false; a < 1_000_000; a++) { b == true; }
arr to bool
for (let a = 0, b = []; a < 1_000_000; a++) { b == true; }
str to bool
for (let a = 0, b = ''; a < 1_000_000; a++) { b == true; }
null to bool
for (let a = 0, b = null; a < 1_000_000; a++) { b == true; }
null == undefined
for (let a = 0, b = null; a < 1_000_000; a++) { b == undefined; }
undefined == null
for (let a = 0, b = undefined; a < 1_000_000; a++) { b == null; }

Rendered benchmark preparation results:

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser/OS: Chrome 87 on Windows