ES6 Map vs Object properties
JavaScript performance comparison
Preparation code
<script>
Benchmark.prototype.setup = function() {
var map = new Map(),
obj1 = Object.create(null),
obj2 = {};
for (var i=0; i < 1000; i++) {
var key = Math.random(), val = Math.random();
map.set(key,val);
obj1[key] = val;
obj2[key] = val;
}
};
</script>
Test runner
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Test | Ops/sec | |
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map.set(key,val)
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pending… |
obj[key] = val;
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pending… |
Iterate Map (for of)
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pending… |
Iterate Map (for)
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pending… |
Iterate Object
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pending… |
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