Run results for: groupBy vs set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Browser: Chrome 74

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
with groupBy	197022.9 Ops/sec
with set	372093.3 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

var o = [{"group":["Visa","United States"],"current":{"count":226,"metrics":null,"na":false}},{"group":["Visa","United Kingdom"],"current":{"count":57,"metrics":null,"na":false}},{"group":["Visa","Canada"],"current":{"count":43,"metrics":null,"na":false}},{"group":["Visa","Ireland"],"current":{"count":32,"metrics":null,"na":false}},{"group":["Visa","Australia"],"current":{"count":22,"metrics":null,"na":false}},{"group":["Visa","Switzerland"],"current":{"count":19,"metrics":null,"na":false}},{"group":["Visa","France"],"current":{"count":16,"metrics":null,"na":false}},{"group":["Visa","Norway"],"current":{"count":11,"metrics":null,"na":false}},{"group":["Visa","Denmark"],"current":{"count":10,"metrics":null,"na":false}},{"group":["Visa","Germany"],"current":{"count":9,"metrics":null,"na":false}},{"group":["Visa","Italy"],"current":{"count":7,"metrics":null,"na":false}},{"group":["Visa","New 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Emirates"],"current":{"count":1,"metrics":null,"na":false}},{"group":["Diners","Dominican Republic"],"current":{"count":1,"metrics":null,"na":false}},{"group":["Diners","Netherlands"],"current":{"count":1,"metrics":null,"na":false}},{"group":["Diners","Costa Rica"],"current":{"count":1,"metrics":null,"na":false}},{"group":["Diners","Hungary"],"current":{"count":1,"metrics":null,"na":false}}];

Tests:

with groupBy
_.keys(_.groupBy(o, d => d.group[1]))
with set
Array.from(new Set(o.map(d => d.group[1])))

Run results for: groupBy vs set

with groupBy

with set