Run results for: Promo Find

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:41.0) Gecko/20100101 Firefox/41.0

Browser: Firefox 41

Operating system: Mac OS X 10.11

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
testArrayFind();	41377570.0 Ops/sec
testObjectFind();	122322600.0 Ops/sec
testUnderscoreFind();	4491428.0 Ops/sec
testLodashFind();	3408220.0 Ops/sec

HTML Preparation code:

<html>
    <head>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
        <script>
        underscore = _;
        </script>


        <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.12.0/lodash.min.js"></script>

        <script>
        lodash = _;
        </script>
    </head>
    <body>
    </body>
</html>

Script Preparation code:

var PromosArray = [
    {
        type: "regular",
        display: "$123.00"
    },
    {
        type: "markdown",
        display: "$100.00"
    },
    {
        type: "promo",
        display: "$80.00"
    }
];

var PromosObject = {
    regular: "$123.00",
    markdown: "$100.00",
    promo: "$80.00"
};

function find(array, type) {
    for (var i = 0; i < array.length; i++) {
        if (array[i]["type"] === type) {
            return array[i];
        }
    }

    return undefined;
}

function testArrayFind() {
    find(PromosArray, "regular");
    find(PromosArray, "markdown");
    find(PromosArray, "promo");
}

function testObjectFind() {
    var foo = PromosObject.regular;
    var foo = PromosObject.markdown;
    var foo = PromosObject.promo;
}

function testUnderscoreFind() {
    underscore.find(PromosArray, "type", "regular");
    underscore.find(PromosArray, "type", "markdown");
    underscore.find(PromosArray, "type", "promo");
}

function testLodashFind() {
    lodash.find(PromosArray, "type", "regular");
    lodash.find(PromosArray, "type", "markdown");
    lodash.find(PromosArray, "type", "promo");
}

Tests:

testArrayFind();
testArrayFind();
testObjectFind();
testObjectFind();
testUnderscoreFind();
testUnderscoreFind();
testLodashFind();
testLodashFind();

Run results for: Promo Find

testArrayFind();

testObjectFind();

testUnderscoreFind();

testLodashFind();