MeasureThat.net

Run results for: Promo Map

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36
Chrome 52
Windows 7
Other
8 years ago
Test name Executions per second
testArrayIteration 1233339.6 Ops/sec
testArrayMap 1648972.4 Ops/sec
testUnderscoreMap 1935855.0 Ops/sec
testLodashMap 1995094.4 Ops/sec
testForLoop 1265144.1 Ops/sec
HTML Preparation code:
​x
 
1
<html>
2
    <head>
3
        <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
4
        <script>
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        underscore = _;
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        </script>
7
​
8
​
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        <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.12.0/lodash.min.js"></script>
10
​
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        <script>
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        lodash = _;
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        </script>
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    </head>
15
    <body>
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    </body>
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</html>
18
​
Script Preparation code:
 
​
var PromosArray = [
    {
        type: "regular",
        display: "$123.00"
    },
    {
        type: "markdown",
        display: "$100.00"
    },
    {
        type: "promo",
        display: "$80.00"
    }
];
​
function testArrayIteration() {
    var items = [];
    var i;
​
    for (i = 0; i < PromosArray.length; i++) {
        items.push(PromosArray[i].type);
    }
​
    return items;
  
}
​
function testArrayMap() {
    return PromosArray.map(function (promo) {
        return promo.type;
    });
}
​
function testUnderscoreMap() {
    return underscore.map(PromosArray, function (promo) {
        return promo.type;
    });
}
​
function testLodashMap() {
    return lodash.map(PromosArray, function (promo) {
        return promo.type;
    });
}
​
function testForLoop() {
    var newArray = [];
  
    for (var i = 0; i < PromosArray.length; i++) {
        newArray[i] = PromosArray[i].type; 
    }
  
    return newArray;
}
​
Tests:

  • testArrayIteration

     
    testArrayIteration();

  • testArrayMap

     
    testArrayMap();

  • testUnderscoreMap

     
    testUnderscoreMap();

  • testLodashMap

     
    testLodashMap();

  • testForLoop

     
    testForLoop();