Palindromes

/* Write a JavaScript function findPalindromes(str) that extracts from a given text all palindromes,
e.g. "ABBA", "lamal", "exe". Write JS program palindromesExtract.js that invokes your function
with the sample input data below and prints the output at the console. */

"use strict";

function findPalindromes(str) {
    var arr = str.split(/\W+/).filter(Boolean);
    var resultArr = [];
    for (var i = 0; i < arr.length; i += 1) {
        if (arr[i].length == 1) {
            resultArr.push(arr[i]);
        } else {
            var word = arr[i].toLowerCase();
            var reverseWord = '';
            for (var j = word.length - 1; j >= 0; j -= 1) {
                reverseWord += word[j];
            }

            if (reverseWord == word) resultArr.push(word);
        }
    }

    return resultArr.join(', ');
}

console.log(findPalindromes('There is a man, his name was Bob.'));
console.log(findPalindromes('Javaj sos mam dad'));