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Object.create() vs object literal #jsbench #jsperf (http://jsbench.github.io/#fe2c48dab56529fa112b30c5aaa257bb) #jsbench #jsperf
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>Object.create() vs object literal #jsbench #jsperf</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script> | |
<script src="./suite.js"></script> | |
</head> | |
<body> | |
<h1>Open the console to view the results</h1> | |
<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2> | |
</body> | |
</html> |
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"use strict"; | |
(function (factory) { | |
if (typeof Benchmark !== "undefined") { | |
factory(Benchmark); | |
} else { | |
factory(require("benchmark")); | |
} | |
})(function (Benchmark) { | |
var suite = new Benchmark.Suite; | |
Benchmark.prototype.setup = function () { | |
const { hasOwnProperty } = Object.prototype; | |
const loopObject = (obj) => { | |
const result = []; | |
for (const key in obj) { | |
if (Object.prototype.hasOwnProperty.call(obj, key)) { | |
result.push(key); | |
} | |
} | |
return result; | |
}; | |
const loopObjectHOPMethod = (obj) => { | |
const result = []; | |
for (const key in obj) { | |
if (obj.hasOwnProperty(key)) { | |
result.push(key); | |
} | |
} | |
return result; | |
}; | |
const loopObjectHOPChached = (obj) => { | |
const result = []; | |
for (const key in obj) { | |
if (hasOwnProperty.call(obj, key)) { | |
result.push(key); | |
} | |
} | |
return result; | |
}; | |
const loopObjectHOPChachedBinded = (obj) => { | |
const result = []; | |
const hasProperty = hasOwnProperty.bind(obj); | |
for (const key in obj) { | |
if (hasProperty(key)) { | |
result.push(key); | |
} | |
} | |
return result; | |
}; | |
}; | |
suite.add("loopObject({});", function () { | |
loopObject({}); | |
}); | |
suite.add("loopObjectHOPChached({});", function () { | |
loopObjectHOPChached({}); | |
}); | |
suite.add("loopObjectHOPChachedBinded({});", function () { | |
loopObjectHOPChachedBinded({}); | |
}); | |
suite.add("loopObject({ a: 0 });", function () { | |
loopObject({ a: 0 }); | |
}); | |
suite.add("loopObjectHOPChached({ a: 0 });", function () { | |
loopObjectHOPChached({ a: 0 }); | |
}); | |
suite.add("loopObjectHOPChachedBinded({ a: 0 });", function () { | |
loopObjectHOPChachedBinded({ a: 0 }); | |
}); | |
suite.add("loopObject({ a: 0, b: 1 });", function () { | |
loopObject({ a: 0, b: 1 }); | |
}); | |
suite.add("loopObjectHOPChached({ a: 0, b: 1 });", function () { | |
loopObjectHOPChached({ a: 0, b: 1 }); | |
}); | |
suite.add("loopObjectHOPChachedBinded({ a: 0, b: 1 });", function () { | |
loopObjectHOPChachedBinded({ a: 0, b: 1 }); | |
}); | |
suite.add("loopObjectHOPMethod({ a: 0, b: 1 });", function () { | |
loopObjectHOPMethod({ a: 0, b: 1 }); | |
}); | |
suite.on("cycle", function (evt) { | |
console.log(" - " + evt.target); | |
}); | |
suite.on("complete", function (evt) { | |
console.log(new Array(30).join("-")); | |
var results = evt.currentTarget.sort(function (a, b) { | |
return b.hz - a.hz; | |
}); | |
results.forEach(function (item) { | |
console.log((idx + 1) + ". " + item); | |
}); | |
}); | |
console.log("Object.create() vs object literal #jsbench #jsperf"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
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