how to find value in array in typescript code example

Example 1: typescript array find

const array1 = [5, 12, 8, 130, 44];

const found = array1.find(element => element > 10);

console.log(found);
// expected output: 12

Example 2: find value in array ts

this.persons =  this.personService.getPersons().find(x => x.id == this.personId);