for..of vs array.map

JavaScript performance comparison

Test case created by Samic8

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
   const foo = new Map([
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
        [1, 2],
      ]);

};
</script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
For..of
const results = [];
for (let [bar, bar2] of foo) {
    results.push(bar2 + "baz");
}
console.log(results);
pending…
Array.map
const results = [...foo].map(([key, value]) => {
    return value + 'value';
});

console.log(results)
pending…

Revisions

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