element same in aaray

by Pritesh Patel

JavaScript

function compare(arrayA, arrayB) {
  const aMap = buildMap(arrayA);
  const bMap = buildMap(arrayB);
  
  for(let k in aMap){
  	if(aMap[k] == bMap[k]){
    	return console.log("same element")
    }
  }
  return console.log("different");
}

function buildMap(arr) {
  let obj = {};
  for (let e of arr) {
    obj[e] = obj[e] + 1 || 1;
  }
  return obj;
  console.log(obj);
}
compare([1, 2, 3, 1],[6,4,5,1,1]);