eqObjects.js

const assertEqual = function(actual, expected) {
  if (actual === expected) {
    console.log(`The '${actual}' and the '${expected}' are the same✅`);
  } else console.assert(actual === expected, "❌");
};

const eqObjects = function(object1, object2) {
  const keys1 = Object.keys(object1)
  const keys2 = Object.keys(object2)
  if(keys1.length = keys2.length){
    for(key of keys1){
      
      if(Array.isArray(object1[key]) || Array.isArray(object2[key])) {
        if(object1[key].length === object2[key].length){
          eqArrays(object1[key], object2[key]);
        } else {
          return false;
      } 
        
      } else{
        if(object1[key] === object2[key]){
      } else return false;
      }  
  }
  } else return false;
  return true;
}
const eqArrays = function (array1, array2) {
  for (let i = 0; i < array1.length; i++ ) {
    if (array1[i] !== array2[i]) {
      return false; 
  } 
}
return true;
};

const ab = { a: "1", b: "2" };
const ba = { b: "2", a: "1" };
assertEqual((eqObjects(ab, ba)), true);

const cd = { c: "1", d: ["2", 3] };
const dc = { d: ["2", 3], c: "1" };
assertEqual((eqObjects(cd, dc)), true); // => true

const cd2 = { c: "1", d: ["2", 3, 4] };
assertEqual((eqObjects(cd, cd2)), false);