Benchmark: Some vs FindIndex

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>

Previous results

Test case name	Result
Array.some
Array.findIndex

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 Edg/81.0.416.72

Browser/OS: Chrome 81 on Windows

View result in a separate tab

Test name	Executions per second
Array.some	63497.7 Ops/sec
Array.findIndex	63239.1 Ops/sec

Some vs FindIndex (version: 0)

Comparing performance of: Array.some vs Array.findIndex

Created: 4 years ago by: Guest

Jump to the latest result

Array.some

Array.findIndex

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A