Run results for: Search object property value in array of object - 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Browser: Chrome 101

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var size = 10000
var arr = []
for (let i = 0; i < size; i++) {
    arr.push({ i })
}
var research = 6578;

Tests:

map indexof
const index = arr.map(e => e.i).indexOf(research)
custom func
function findObjectInArray(arr, prop, value) { if (arr.length === 0 || !arr[0].hasOwnProperty(prop)) return -1; for (let i = 0; i < size; i++) { if (!arr[i].hasOwnProperty(prop)) continue; if (arr[i][prop] === value) return i; } return -1; } const index = findObjectInArray(arr, 'i', research)
findIndex
const index = arr.findIndex(e => e.i === research)