Run results for: function findItemById_findIndex vs function findItemById_map

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
findItemById_findIndex	2216345.5 Ops/sec
findItemById_map	1776872.9 Ops/sec

Tests:

findItemById_findIndex
const array = [{ _id: 1, name: "John Doe", age: 35, address: "123 Main St" }, { _id: 2, name: "Jane Smith", age: 28, address: "456 Park Ave" }, { _id: 3, name: "Bob Wilson", age: 41, address: "789 Washington Blvd" }, { _id: 4, name: "Mary Johnson", age: 29, address: "13 Oak Rd" }, { _id: 5, name: "Bill Thompson", age: 32, address: "421 5th St" }, { _id: 6, name: "Mark Davis", age: 25, address: "882 Pine Lane" }, { _id: 7, name: "Elizabeth Moore", age: 47, address: "234 Elm Dr" }, { _id: 8, name: "Michael Anderson", age: 19, address: "765 Birch Ln" }, { _id: 9, name: "Samantha Williams", age: 38, address: "987 Cedar St" }, { _id: 10, name: "David Brown", age: 42, address: "432 Park Pl" }, { _id: 11, name: "Emily Taylor", age: 36, address: "276 Lakeview Ct" }, { _id: 12, name: "Robert Miller", age: 22, address: "098 Maple Ave" }, { _id: 13, name: "Jennifer Thomas", age: 31, address: "654 Pine St" }, { _id: 14, name: "Matthew White", age: 57, address: "1432 Oak Valley Rd" }, { _id: 15, name: "Megan Rodriguez", age: 46, address: "2651 Green St" }, { _id: 16, name: "Anthony Lopez", age: 20, address: "0872 Marshall Dr" }, { _id: 17, name: "Daniel Lee", age: 33, address: "472 Liberty Ave" }, { _id: 18, name: "Michelle Young", age: 24, address: "891 Park St" }, { _id: 19, name: "Amanda Harris", age: 18, address: "234 Sherman Rd" }, { _id: 20, name: "Charles King", age: 43, address: "109 Henderson Ct" }, { _id: 21, name: "Kevin Allen", age: 39, address: "891 Pine Blvd" }, { _id: 22, name: "Jose Torres", age: 49, address: "5678 Washington St" }, { _id: 23, name: "Rachel Green", age: 50, address: "108 Monroe Dr" }, { _id: 24, name: "Barbara Phillips", age: 44, address: "234 Walnut Rd" }, { _id: 25, name: "William Richardson", age: 18, address: "891 Rosewood Ln" }, { _id: 26, name: "Karen Bryant", age: 27, address: "345 Oak Meadow Rd" }, { _id: 27, name: "Andrew Howard", age: 52, address: "29 Buttonwood Dr" }, { _id: 28, name: "Joshua Crawford", age: 41, address: "5678 Orange St" }, { _id: 29, name: "Douglas Simpson", age: 24, address: "1234 Wilson Blvd" }, { _id: 30, name: "Denise Peterson", age: 48, address: "111 Winding Way" }, { _id: 31, name: "Adam Morris", age: 33, address: "8596 Evergreen Dr" }, { _id: 32, name: "Nicole Powell", age: 19, address: "4281 Magnolia St" }, { _id: 33, name: "Tammy Ray", age: 37, address: "293 Washington Ave" }, { _id: 34, name: "Pamela Olson", age: 29, address: "384 Park St" }, { _id: 35, name: "Theresa Lawson", age: 53, address: "928 Oak Tree Ln" }, { _id: 36, name: "Sean Porter", age: 40, address: "1728 Hamilton Rd" }, { _id: 37, name: "Tabitha Harrison", age: 22, address: "891 Maple St" }, { _id: 38, name: "Juan Fuller", age: 31, address: "5679 Washington Blvd" }, { _id: 39, name: "Angela Stevens", age: 25, address: "234 Cedar St" }, { _id: 40, name: "Melissa Johnson", age: 46, address: "246 Oak Rd" } ]; function generateRandomNumber() { return Math.floor(Math.random() * 41); } function findItemById_findIndex(items, id) { return items.findIndex(item => item._id === id) > -1; }; findItemById_findIndex(array, generateRandomNumber());
findItemById_map
const array = [{ _id: 1, name: "John Doe", age: 35, address: "123 Main St" }, { _id: 2, name: "Jane Smith", age: 28, address: "456 Park Ave" }, { _id: 3, name: "Bob Wilson", age: 41, address: "789 Washington Blvd" }, { _id: 4, name: "Mary Johnson", age: 29, address: "13 Oak Rd" }, { _id: 5, name: "Bill Thompson", age: 32, address: "421 5th St" }, { _id: 6, name: "Mark Davis", age: 25, address: "882 Pine Lane" }, { _id: 7, name: "Elizabeth Moore", age: 47, address: "234 Elm Dr" }, { _id: 8, name: "Michael Anderson", age: 19, address: "765 Birch Ln" }, { _id: 9, name: "Samantha Williams", age: 38, address: "987 Cedar St" }, { _id: 10, name: "David Brown", age: 42, address: "432 Park Pl" }, { _id: 11, name: "Emily Taylor", age: 36, address: "276 Lakeview Ct" }, { _id: 12, name: "Robert Miller", age: 22, address: "098 Maple Ave" }, { _id: 13, name: "Jennifer Thomas", age: 31, address: "654 Pine St" }, { _id: 14, name: "Matthew White", age: 57, address: "1432 Oak Valley Rd" }, { _id: 15, name: "Megan Rodriguez", age: 46, address: "2651 Green St" }, { _id: 16, name: "Anthony Lopez", age: 20, address: "0872 Marshall Dr" }, { _id: 17, name: "Daniel Lee", age: 33, address: "472 Liberty Ave" }, { _id: 18, name: "Michelle Young", age: 24, address: "891 Park St" }, { _id: 19, name: "Amanda Harris", age: 18, address: "234 Sherman Rd" }, { _id: 20, name: "Charles King", age: 43, address: "109 Henderson Ct" }, { _id: 21, name: "Kevin Allen", age: 39, address: "891 Pine Blvd" }, { _id: 22, name: "Jose Torres", age: 49, address: "5678 Washington St" }, { _id: 23, name: "Rachel Green", age: 50, address: "108 Monroe Dr" }, { _id: 24, name: "Barbara Phillips", age: 44, address: "234 Walnut Rd" }, { _id: 25, name: "William Richardson", age: 18, address: "891 Rosewood Ln" }, { _id: 26, name: "Karen Bryant", age: 27, address: "345 Oak Meadow Rd" }, { _id: 27, name: "Andrew Howard", age: 52, address: "29 Buttonwood Dr" }, { _id: 28, name: "Joshua Crawford", age: 41, address: "5678 Orange St" }, { _id: 29, name: "Douglas Simpson", age: 24, address: "1234 Wilson Blvd" }, { _id: 30, name: "Denise Peterson", age: 48, address: "111 Winding Way" }, { _id: 31, name: "Adam Morris", age: 33, address: "8596 Evergreen Dr" }, { _id: 32, name: "Nicole Powell", age: 19, address: "4281 Magnolia St" }, { _id: 33, name: "Tammy Ray", age: 37, address: "293 Washington Ave" }, { _id: 34, name: "Pamela Olson", age: 29, address: "384 Park St" }, { _id: 35, name: "Theresa Lawson", age: 53, address: "928 Oak Tree Ln" }, { _id: 36, name: "Sean Porter", age: 40, address: "1728 Hamilton Rd" }, { _id: 37, name: "Tabitha Harrison", age: 22, address: "891 Maple St" }, { _id: 38, name: "Juan Fuller", age: 31, address: "5679 Washington Blvd" }, { _id: 39, name: "Angela Stevens", age: 25, address: "234 Cedar St" }, { _id: 40, name: "Melissa Johnson", age: 46, address: "246 Oak Rd" } ]; function generateRandomNumber() { return Math.floor(Math.random() * 41); } function findItemById_map(items, id) { const ids = items.map(item => item._id); return ids.indexOf(id) > -1; }; findItemById_map(array, generateRandomNumber());