const arr = Array.from({ length: 20000 }, (_, i) => ({ property: i }))

const elementToFind = 15000;

​

const element = arr.find((el) => el.property === elementToFind);

const arr = Array.from({ length: 20000 }, (_, i) => ({ property: i }))

const elementToFind = 15000;

​

let element = undefined;

​

for (let i = 0; i < arr.length; i++) {

    if (arr[i].property === elementToFind) {

      element = arr[i];

      break;

    }

}

const arr = Array.from({ length: 20000 }, (_, i) => ({ property: i }))

const elementToFind = 15000;

​

let element = undefined;

let i = 0;

while(element === undefined) {

  if(arr[i].property === elementToFind) {

    element = elementToFind;

  }

  i++;

}

​