Getting index of an array's element based on its properties

Question

I have a JavaScript array of objects like this:

var myArray = [{...}, {...}, {...}];

Each object has unique id among other pro

Answer 1

ES6 Array.findIndex

const myArray = [{id:1}, {id:2}, {id3}];
const foundIndex = myArray.findIndex((el) => (el.id === 3));