Backbone - Select via Index vs Select via ID

Benchmark created by Sandy on April 1, 2015

Description

Preparation HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>

Setup

var response = [{"id":"551c1e4a44bc6590f123289c","uniqueIdentifer":"4f3b53db-790f-4f08-8da2-d5999b4899a7"},{"id":"551c1e4ab14a46f7f1ddd70f","uniqueIdentifer":"4805377a-0135-422b-8c3a-4a76781f1c1a"},{"id":"551c1e4a0fea02b946b4da42","uniqueIdentifer":"d35ef33c-10aa-4445-8a20-4266e6566348"},{"id":"551c1e4ae7ce143bb99a7eb0","uniqueIdentifer":"33545d81-7f6e-40d8-b6e6-653374caf832"},{"id":"551c1e4a71f387e999929e29","uniqueIdentifer":"e9014e3a-c12c-4b07-a6ed-42ffaa0a8e70"},{"id":"551c1e4a60b6a8f7bf3812e1","uniqueIdentifer":"d80a6597-e08c-4e05-9e09-b12423c051f0"},{"id":"551c1e4aa973b8a6432f0cb6","uniqueIdentifer":"4686362d-c664-4353-9b9c-b0588edf9e52"},{"id":"551c1e4a8bbb77b2bcb0595b","uniqueIdentifer":"d1a79f5b-edd0-4942-95a6-2fd36943cf94"},{"id":"551c1e4a0fe2453f56a9d61b","uniqueIdentifer":"f2f10a65-304e-4a82-92f3-96f263e97bcc"},{"id":"551c1e4a70f8a5007bac4db1","uniqueIdentifer":"f5830325-4f8d-45fc-849d-f2c90b91df9a"},{"id":"551c1e4ad43df667c5130ef8","uniqueIdentifer":"71a1a769-01c8-405c-9795-bb3f7fbb989a"},{"id":"551c1e4a6a90537b8993a4ac","uniqueIdentifer":"33d20923-1b0b-4f07-8bd0-46d1bc923257"},{"id":"551c1e4ad1760acba6f8cd86","uniqueIdentifer":"cfbe36ae-9af3-45a8-a805-20f00c53104a"},{"id":"551c1e4a5e236efd668809c4","uniqueIdentifer":"6e1ca4f2-f18a-4228-a48f-fbb22b3c7440"},{"id":"551c1e4ab2e4a3ff30afb02d","uniqueIdentifer":"aa4177d6-d262-416c-9607-f5b7a1480032"},{"id":"551c1e4a5d6c8eae5956dddb","uniqueIdentifer":"b83a2cfd-736b-43c7-aabd-6cc6c35ba290"},{"id":"551c1e4aeccdaaf549922120","uniqueIdentifer":"db442d7a-a85c-43a7-8dcf-12ab5e3dde59"},{"id":"551c1e4aaf01796177f7b8f6","uniqueIdentifer":"c53b5a70-87c6-40e1-97ed-38126e992e23"},{"id":"551c1e4aa00c19495f62826e","uniqueIdentifer":"c403bae6-8da2-45f0-afac-f42d57c3db6d"},{"id":"551c1e4acca0addaf78890d1","uniqueIdentifer":"36a2a9e5-60ad-4cc6-af0a-0d4dd999e6d3"},{"id":"551c1e4a42f4db65ee5d237d","uniqueIdentifer":"412374a4-dee0-4d1a-9c96-ff5c52d27319"},{"id":"551c1e4a5516312477dbe277","uniqueIdentifer":"6edfae9d-7a26-4b87-a675-66f84f71f361"},{"id":"551c1e4af582aecfa257d2a9","uniqueIdentifer":"ef334860-7e6a-4d82-9e5f-e61ec39bd3d1"},{"id":"551c1e4a3e769c9b13eac4c9","uniqueIdentifer":"17e70cc3-2ea9-429b-a012-1655c7479420"},{"id":"551c1e4a79c9f409ffe44539","uniqueIdentifer":"4e3dccae-2874-4475-91e2-c271cef44400"},{"id":"551c1e4adc579a55a8f8c870","uniqueIdentifer":"206b1e5b-de8d-419f-ae70-55baee2e9b88"},{"id":"551c1e4abd027a7e89f08775","uniqueIdentifer":"73775e65-5065-48d6-80a1-38d743a22596"},{"id":"551c1e4ad6ee27537d6e1df3","uniqueIdentifer":"6b921b1c-08a8-4467-b035-b2770230fa59"},{"id":"551c1e4a397f7ee6bd161091","uniqueIdentifer":"eca819ca-ece1-4a54-99ff-80592caf6673"},{"id":"551c1e4ade790c6456ed54be","uniqueIdentifer":"d382ddcf-45f5-4af2-9f89-25b75f64be0e"},{"id":"551c1e4adb83e66c508005d0","uniqueIdentifer":"cd9f90b3-ada6-4687-b068-84f11cfd15be"},{"id":"551c1e4ac683d56db84b1ee1","uniqueIdentifer":"3bf2fc76-51fd-4b14-98b4-57ed13eccc83"},{"id":"551c1e4aec72f6b9d5908157","uniqueIdentifer":"29e17a8a-5875-4b7b-aad6-595817c1d3e4"},{"id":"551c1e4ae0d710fb613d2894","uniqueIdentifer":"03d20abd-cb79-4f9c-8e7d-6510c48e6266"},{"id":"551c1e4acf406e59fc17b50a","uniqueIdentifer":"d967a52d-c8e7-42c0-9876-c1329c12551b"},{"id":"551c1e4a3701171bdf2a72d4","uniqueIdentifer":"80aae0f3-7aba-4fae-afc2-e575e8d310f9"},{"id":"551c1e4adc0af20042742b66","uniqueIdentifer":"6f10c6de-e820-402e-83e9-01ab1701872d"},{"id":"551c1e4a397f17e9bb3e8c07","uniqueIdentifer":"3b6afda9-4371-43e3-a498-90671eae5889"},{"id":"551c1e4a1fa36d2d1b25337c","uniqueIdentifer":"317a45ae-2c39-48e5-b774-d37766d1a50d"},{"id":"551c1e4af7b5f925a3ccf92a","uniqueIdentifer":"1b4bc455-09ec-4d67-84af-370bcc825f5b"},{"id":"551c1e4a2edfe8f738407250","uniqueIdentifer":"3ee43a38-efca-4d6a-8849-98a87dfc4887"},{"id":"551c1e4ad0b1e6ed9eb2fe18","uniqueIdentifer":"ba3fcb6a-9411-4786-b70a-fe7bb45fd300"},{"id":"551c1e4a06db09e88d9c91d9","uniqueIdentifer":"2ee61f40-5732-4e28-881c-15374fe34382"},{"id":"551c1e4a25bfd8255b2d86b7","uniqueIdentifer":"aeedb28d-ee11-4908-970c-642c339a1d81"},{"id":"551c1e4a94ddaa165e3e0096","uniqueIdentifer":"3a590e9d-ecc1-4df4-94e0-18698eb99b0c"},{"id":"551c1e4a3149c5067ffdb298","uniqueIdentifer":"75f62928-229a-4c97-afb6-f3b5aaca2ba1"},{"id":"551c1e4a3d3e62127c458ad0","uniqueIdentifer":"a9a1aa06-bac3-4a6e-88ad-893aad83e285"},{"id":"551c1e4a228dfe1f8a9fd447","uniqueIdentifer":"8f03cde7-0239-4f0a-986b-a909c3c9e4ef"},{"id":"551c1e4a09029cc08ef4c306","uniqueIdentifer":"8013ad0a-2963-490e-acf3-6267974605ae"},{"id":"551c1e4a5b448a64fd885a93","uniqueIdentifer":"a9ebb542-04f4-4b63-a782-77995366c9d2"},{"id":"551c1e4a6ff3cf7c56a6fd2b","uniqueIdentifer":"d449bb21-ecc2-4235-92e7-6da5e9970c2d"},{"id":"551c1e4aa4391b09ba9c6fb2","uniqueIdentifer":"0dd951c2-93e7-4126-ae2e-6894b6248283"},{"id":"551c1e4aa5eb87426bed88fd","uniqueIdentifer":"ef5368e8-674f-4ed7-a66b-b521bf73ef9d"},{"id":"551c1e4a022eb0902c7193ab","uniqueIdentifer":"00d2da21-1c4e-4b78-931d-40f31065307f"},{"id":"551c1e4adba80ffadb0aa454","uniqueIdentifer":"3cf731a7-0136-46ce-ac69-c5f776bab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  
    var myModel = Backbone.Model.extend({});
    
    var myCollection = Backbone.Collection.extend({model : myModel});
    
    var collection = new myCollection(response);
    
    var byIDs     = [] ;
    var byIndexes = [] ;
    var byLoop    = [] ;
    
    collection.each(function(model)
    {
        byIDs.push(model.get("id"));
        byIndexes.push(collection.indexOf(model));
        byLoop.push(model.get("uniqueIdentifer"));
    });
    
    var outVar = [];

Test runner

for(var i in byIndexes)
{
        outVar.push(collection.at(byIndexes[i]));
}

for(var i in byIDs)
{
        outVar.push(collection.get(byIDs[i]));
}

for(var i in byLoop)
{
        collection.each(function(model)
        {
                if(byLoop[i] == collection.get("uniqueIdentifer"))
                        outVar.push(model);
        });
}

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by Sandy on April 1, 2015