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Ways of wrapping a function #jsbench #jsperf (http://jsbench.github.io/#f801fb778dbac7124d43ed7eb60e5a29) #jsbench #jsperf
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>Ways of wrapping a function #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 () { | |
class Adder { | |
constructor() { | |
this.increment = 1; | |
this.boundAdd = this.add.bind(this) | |
} | |
add(num) { | |
return num + this.increment; | |
} | |
} | |
const adder = new Adder(); | |
const incrementUsingFunctionWrappedAsES5 = function(num) { | |
return adder.add(num); | |
} | |
const incrementUsingFunctionWrappedAsES6 = num => adder.add(num); | |
const incrementUsingFunctionWrappedUsingBind = adder.add.bind(adder); | |
const incrementUsingFunctionWrappedUsingPrebound = adder.boundAdd; | |
}; | |
suite.add("incrementUsingFunctionWrappedAsES5(2)", function () { | |
incrementUsingFunctionWrappedAsES5(2) | |
}); | |
suite.add("incrementUsingFunctionWrappedAsES6(2)", function () { | |
incrementUsingFunctionWrappedAsES6(2) | |
}); | |
suite.add("incrementUsingFunctionWrappedUsingBind(2)", function () { | |
incrementUsingFunctionWrappedUsingBind(2) | |
}); | |
suite.add("incrementUsingFunctionWrappedUsingPrebound(2)", function () { | |
incrementUsingFunctionWrappedUsingPrebound(2) | |
}); | |
suite.add("baseline", function () { | |
//baseline | |
adder.add(2) | |
}); | |
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("Ways of wrapping a function #jsbench #jsperf"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
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