make_palindrome.js

var makePalindrome = function(text) {
    // take a letter from the beginning and add it to the end
    var front = true;
    var start = 0;
    var end = text.length - 1;
    while (start < end) {
        console.log("compared " + text[start] + " and " + text[end]);
        if (text[start] != text[end]) {
            if (front) {
                console.log("inserting " + text[start] + " before index " + (end + 1) + "(after char " + text[end] + ")");
                // add character @'start' after character @'end'
                text = insertChar(text, text[start], end + 1);
                end++;
                front = false;
            } else {
                console.log("inserting " + text[end] + " before index " + (start) + "(before char " + text[start] + ")");
                // add character @'end' before character @'start'
                text = insertChar(text, text[end], start);
                front = true;
                // end gets shifted back
                end++;
            }
            console.log("word is now " + text);
        } else {
            start++;
            end--;
        }
    }
    return text;
};