javascript - Generator Function with existing array -

i have object array numbers id values.

i want generate new id's or return ones object array.

how can using generator function , yield?

example tried:

var array = [{'id': 0}, {'id': 2}, {'id': 3}];  function* idmaker() {    var index = 0;    array.foreach(object => {      console.log(object.id);    });    while (index => o)    yield index++;  }    var gen = idmaker();    console.log(gen.next().value); // 0  console.log(gen.next().value); // 1  console.log(gen.next().value); // 2  console.log(gen.next().value); // 3  console.log(gen.next().value); // 4