A forEach for JavaScript objects

forEach.js

function forEach(obj, callback) {
  Object.keys(obj).forEach((item) => {
    return callback(obj, item)
  })
}

// usage
let obj = { a: 1, b: 2, c: 3 }
let array = []
forEach(obj, function(obj, item) {
  array.push(obj[item])
})

console.log(array)
// > [1, 2, 3]