==null vs !!

JavaScript performance comparison

Test case created by ly tran

Preparation code

Benchmark.prototype.setup = function() {
    var a = true, b = false, c = null, d = '', e = {}, f = []

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Testing in unknown unknown
Test Ops/sec
== null
a == null, b == null, c == null, d == null, e == null
!!a, !!b, !!c, !!d, !!e

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