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@DuncanWilder
Created December 22, 2017 11:52
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if, else, switch, object (http://jsbench.github.io/#af466c04dd4e1c99474cfec8a6fa52a0) #jsbench #jsperf
<!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>
"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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