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December 22, 2017 11:52
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if, else, switch, object (http://jsbench.github.io/#af466c04dd4e1c99474cfec8a6fa52a0) #jsbench #jsperf
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"/> | |
<title>if, else, switch, object</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 baseState = 'BaseAppStates.MEMBER_NOT_ELIGIBLE'; | |
const state = { | |
currentScreen: '' | |
}; | |
}; | |
suite.add("If", function () { | |
// If | |
if (baseState === 'BaseAppStates.PROMO_READY') { | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
} | |
if (baseState === 'BaseAppStates.PROMO_LOGGEDOUT') { | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
} | |
if (baseState === 'BaseAppStates.PROMO_EXPIRED') { | |
state.currentScreen = 'promoStates.EXPIRED_SCREEN'; | |
} | |
if (baseState === 'BaseAppStates.MEMBER_NOT_ELIGIBLE') { | |
state.currentScreen = 'promoStates.INELIGIBLE_SCREEN'; | |
} | |
}); | |
suite.add("If..else", function () { | |
// If..else | |
if (baseState === 'BaseAppStates.PROMO_READY') { | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
} else if (baseState === 'BaseAppStates.PROMO_LOGGEDOUT') { | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
} else if (baseState === 'BaseAppStates.PROMO_EXPIRED') { | |
state.currentScreen = 'promoStates.EXPIRED_SCREEN'; | |
} else if (baseState === 'BaseAppStates.MEMBER_NOT_ELIGIBLE') { | |
state.currentScreen = 'promoStates.INELIGIBLE_SCREEN'; | |
} | |
}); | |
suite.add("Switch", function () { | |
// Switch | |
switch(baseState) { | |
case 'BaseAppStates.PROMO_READY': | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
break; | |
case 'BaseAppStates.PROMO_LOGGEDOUT': | |
state.currentScreen = 'promoStates.LOGGEDOUT_SCREEN'; | |
break; | |
case 'BaseAppStates.PROMO_EXPIRED': | |
state.currentScreen = 'promoStates.EXPIRED_SCREEN'; | |
break; | |
case 'BaseAppStates.MEMBER_NOT_ELIGIBLE': | |
state.currentScreen = 'promoStates.INELIGIBLE_SCREEN'; | |
break; | |
} | |
}); | |
suite.add("const obj = {", function () { | |
const obj = { | |
'BaseAppStates.PROMO_READY' : 'promoStates.LOGGEDOUT_SCREEN', | |
'BaseAppStates.PROMO_LOGGEDOUT' : 'promoStates.LOGGEDOUT_SCREEN', | |
'BaseAppStates.PROMO_EXPIRED' : 'promoStates.EXPIRED_SCREEN', | |
'BaseAppStates.MEMBER_NOT_ELIGIBLE' : 'promoStates.INELIGIBLE_SCREEN' | |
} | |
state.currentScreen = obj[baseState]; | |
}); | |
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("if, else, switch, object"); | |
console.log(new Array(30).join("-")); | |
suite.run(); | |
}); |
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