Examples of imperative code

imperative.js

// triple the value of every element in a given array
const triple = (arr) => {
  let results = []
  for (let i = 0; i < arr.length; i++){
    results.push(arr[i] * 3)
  }
  return results
}

// sum all the elements in a given array
const sum = (arr) => {
  let result = 0
  for (let i = 0; i < arr.length; i++){
    result += arr[i]
  }
  return result
}