Recursively looping through an object to build a property list

I made a FIDDLE for you. I am storing a stack string and then output it, if the property is of primitive type:

function iterate(obj, stack) {
        for (var property in obj) {
            if (obj.hasOwnProperty(property)) {
                if (typeof obj[property] == "object") {
                    iterate(obj[property], stack + '.' + property);
                } else {
                    console.log(property + "   " + obj[property]);
                    $('#output').append($("<div/>").text(stack + '.' + property))
                }
            }
        }
    }

iterate(object, '')

Update: 17/01/2019

There used to be a different implementation, but it didn't work. See this answer for a prettier solution


The solution from Artyom Neustroev does not work on complex objects, so here is a working solution based on his idea:

function propertiesToArray(obj) {
  const isObject = val =>
    val && typeof val === 'object' && !Array.isArray(val);

  const addDelimiter = (a, b) =>
    a ? `${a}.${b}` : b;

  const paths = (obj = {}, head = '') => {
    return Object.entries(obj)
      .reduce((product, [key, value]) => 
        {
          let fullPath = addDelimiter(head, key)
          return isObject(value) ?
            product.concat(paths(value, fullPath))
          : product.concat(fullPath)
        }, []);
  }

  return paths(obj);
}
  
const foo = {foo: {bar: {baz: undefined}, fub: 'goz', bag: {zar: {zaz: null}, raz: 3}}}
const result = propertiesToArray(foo)
console.log(result)