JSFiddle - React, Tailwind, and code Playground

JavaScript

const person = [
{name:'hello',id:1},
{name:'javascript',id:2},
{name:'world',id:3}
];

const selected = [2,3];

const normalized = person.map((obj,i) => obj.id === selected[i] ? Object.assign({}, obj, {checked:true}) : obj);

console.log(normalized)