JSFiddle - React, Tailwind, and code Playground

JavaScript

const myArr = [1, 2, 3, 4, 5, 6];

const iterate = (arr, callback) => {
  search: for (const item of arr) {
    callback(item)
  }
}

const compare = (num) => {
  console.log(num);
  if (num === 4) {
    console.log("breaking");
    break search;
  }
}

iterate(myArr, compare)