fetch error function removwDups(arr) { let seen = {}; arr.forEach((ele) => { seen[ele] = true; }); return Object.keys(seen); } code example

Example 1: javascript foreach call specific value in array

run.addEventListener("click", function () {
    people.forEach((element) => console.log(element.firstname));
  }); // select a specific string in array

Example 2: foreach javascript

Used to execute the same code on every element in an array
Does not change the array
Returns undefined