@samnarduzzi/lotide/map.js

Lotide proejct containf files, test code files, index, and descriptions for all files

const eqArrays = function(array1, array2) {
  if (array1.length !== array2.length) {
    return false;
  }
  for (let i = 0; i < array1.length; i++) {
    if (array1[i] !== array2[i]) {
      return false;
    }
  }
  return true;
};

const assertArraysEqual = function(array1, array2) {
  if (eqArrays(array1, array2)) {
    console.log(`Assertion passed: ${array1} === ${array2}`);
  } else {
    console.log(`Assertion failed: ${array1} !== ${array2}`);
  }
};


const words = ["ground", "control", "to", "major", "tom"];

const map = function(array, callback) {
  const results = [];
  for (let item of array) {
    results.push(callback(item));
  }
  return results;
};
const results1 = map(words, word => word[0]);

console.log(results1);