Creating new array with keys that match values of an array

JavaScript
1

Me again!

This time I’m supposed to create a function that takes 2 parameters (arr, obj ) that when invoked creates an object with only the properties pulled from the original obj that match the value of a given array.

function select(arr, obj) {
  newObj = {};
    for ( i = 0; i < arr.length; i++){
      if( obj.hasOwnProperty(i) ){
        newObj[i] = obj[i];
      }
    }
  return newObj;
}

Can anybody tell me what part of my code is wrong? Remember it returns a new object whose properties are those in the given object AND whose keys are present in the given array.

Notes:

  • If keys are present in the given array, but are not in the given object, it should ignore them.
  • It does not modify the passed in object.
3

yes here it is

var arr = ['a', 'c', 'e'];
var obj = {
  a: 1,
  b: 2,
  c: 3,
  d: 4
};
var output = select(arr, obj);
console.log(output); // --> { a: 1, c: 3 }
5

At long last :persevere: Thanks @camperextraordinaire!

function select(arr, obj) {
  newObj = {};
    for ( i = 0; i < arr.length; i++){
        if( obj.hasOwnProperty(arr[i]) ){
            let key = arr[i];
            newObj[key] = obj[key];
        }
    }
  return newObj;
}