Run results for: Find vs Math

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
Array.find()	779439.1 Ops/sec
Math	1329490.0 Ops/sec

Script Preparation code:

window.mileage = [
            {
              name: '1000 mileage',
              mileage: '1000',
              description: 'mileage-description',
            },
            {
              name: '2000 mileage',
              mileage: '2000',
              description: 'mileage-description 2',
            },
            {
              name: '3000 mileage',
              mileage: '3000',
              description: 'mileage-description 3',
            }
          ];

function generateRandomInput() { // Just some test thing to make sure the specific index isn't a factor as to which is faster
	return Math.floor(Math.random() * 3000)
}

Tests:

Array.find()
mileage.find(obj => parseInt(obj.mileage, 10) >= generateRandomInput())
Math
const index = Math.floor(generateRandomInput()/1000); mileage[index];

Run results for: Find vs Math

Using Array.find vs converting desired input into an index.

Array.find()

Math