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Some vs FindIndex
(version: 0)
Comparing performance of:
Array.some vs Array.findIndex
Created:
5 years ago
by:
Guest
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Script Preparation code:
var countryList = ["Afghanistan", "Albania", "Algeria", "Andorra", "Angola", "Antigua and Barbuda", "Argentina", "Armenia", "Australia", "Austria", "Azerbaijan", "The Bahamas", "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium", "Belize", "Benin", "Bhutan", "Bolivia", "Bosnia and Herzegovina", "Botswana", "Brazil", "Brunei", "Bulgaria", "Burkina Faso", "Burundi", "Cambodia", "Cameroon", "Canada", "Cape Verde", "Central African Republic", "Chad", "Chile", "China", "Colombia", "Comoros", "Congo, Republic of the", "Congo, Democratic Republic of the", "Costa Rica", "Cote d'Ivoire", "Croatia", "Cuba", "Cyprus", "Czech Republic", "Denmark", "Djibouti", "Dominica", "Dominican Republic", "East Timor (Timor-Leste)", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea", "Estonia", "Ethiopia", "Fiji", "Finland", "France", "Gabon", "The Gambia", "Georgia", "Germany", "Ghana", "Greece", "Grenada", "Guatemala", "Guinea", "Guinea-Bissau", "Guyana", "Haiti", "Honduras", "Hungary", "Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica", "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati", "Korea, North", "Korea, South", "Kosovo", "Kuwait", "Kyrgyzstan", "Laos", "Latvia", "Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg", "Macedonia", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands", "Mauritania", "Mauritius", "Mexico", "Micronesia, Federated States of", "Moldova", "Monaco", "Mongolia", "Montenegro", "Morocco", "Mozambique", "Myanmar (Burma)", "Namibia", "Nauru", "Nepal", "Netherlands", "New Zealand", "Nicaragua", "Niger", "Nigeria", "Norway", "Oman", "Pakistan", "Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru", "Philippines", "Poland", "Portugal", "Qatar", "Romania", "Russia", "Rwanda", "Saint Kitts and Nevis", "Saint Lucia", "Saint Vincent and the Grenadines", "Samoa", "San Marino", "Sao Tome and Principe", "Saudi Arabia", "Senegal", "Serbia", "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands", "Somalia", "South Africa", "South Sudan", "Spain", "Sri Lanka", "Sudan", "Suriname", "Swaziland", "Sweden", "Switzerland", "Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "Togo", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan", "Tuvalu", "Uganda", "Ukraine", "United Arab Emirates", "United Kingdom", "United States of America", "Uruguay", "Uzbekistan", "Vanuatu", "Vatican City (Holy See)", "Venezuela", "Vietnam", "Yemen", "Zambia", "Zimbabwe" ]; var countries = []; for (var country of countryList) { const id = Math.floor(Math.random() * 1000); const countryItem = { id: id, name: country }; } countryList = countryList.sort(function(a, b) { if (a.id > b.id) { return 1; } if (a.id < b.id) { return -1; } return 0; }); var testCountry = 'Zimbabwe';
Tests:
Array.some
var tempResult = countryList.some(country => country.name === testCountry);
Array.findIndex
var tempResult = countryList.findIndex(country => country.name === testCountry);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Array.some
Array.findIndex
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Based on the provided benchmark result, it appears that both `Array.some` and `Array.findIndex` have similar execution times. Let's look at the numbers: - `Array.some`: 63497.66015625 executions per second - `Array.findIndex`: 63239.05078125 executions per second There is a small difference of about 2000 executions per second between these two methods. In terms of performance, both methods are roughly equivalent in this case. However, it's essential to note that the choice between `some` and `findIndex` ultimately depends on the specific use case and requirements of your code. - If you're trying to find an index where a condition is met, `findIndex` might be more suitable. - If you need to return as soon as the condition is found (regardless of whether it was the first or last occurrence), `some` could be a better choice. In general, if performance is a top priority and your use case matches one of these methods' specific requirements, choosing the method that aligns with your code's intent can lead to more maintainable and efficient code. But remember, this benchmark result doesn't tell us whether there's a global best practice or optimal solution without more context. Always consider your problem domain, readability, and performance needs before making such decisions.
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