Integer Validity

JavaScript performance comparison

Test case created and last updated

Preparation code

Benchmark.prototype.setup = function() {
    var a = 12;
    var b = 34.5;
    var c = Infinity;

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Testing in unknown unknown
Test Ops/sec
Typeof and modulus operator
(typeof a==='number' && (a%1)===0);
(typeof b==='number' && (b%1)===0);
(typeof c==='number' && (c%1)===0);
Using parseInt
(a == parseInt(a));
(b == parseInt(b));
(c == parseInt(c));

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