Cryptic !!~ versus non-cryptic > -1

JavaScript performance comparison

Test case created by minitech

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = [5, 18, 6, 21, 9, 0, 42, {}, 'hello', 'eighteen', /^regexp$/, 0.24, true, false, 'orange'];
    var a, b;
};
</script>

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Testing in unknown unknown
Test Ops/sec
1337 way
a = !!~arr.indexOf(0);
b = !!~arr.indexOf(1);
pending…
Regular person way
a = arr.indexOf(0) > -1;
b = arr.indexOf(1) > -1;
pending…

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