hangman.js

// The original approach, with the relevant functions inlined
// in a closure to encapsulate implementation details.

function startGame(ui, solution) {
    function repeat(string, repeat) {
        var result = "";

        result.forEach(function(item) {
            result += string;
        });
        // for (var i = 0; i < repeat; i++) {
        //     result += string;
        // }

        return result;
    }

    function maskWord(word, chars) {

        // Split word
        // 
        return word.split("").map(
          function(c) {
            if (chars.indexOf(c.toLowerCase()) < 0 &&
              chars.indexOf(c.toUpperCase()) < 0) {
              return "*";
            } else {
              return c;
            }
               

        }).join("");
    }

    function guessedSolution(original, guesses) {
        return maskWord(original, guesses) === original;
    }

    var guesses = [];

    var render = function () {
        var maskedWord = maskWord(solution, guesses);
        ui.update(maskedWord);
    };

    var guess = function (letter) {
        guesses.push(letter);
        render();
        if (guessedSolution(solution, guesses)) {
            ui.close("You win!");
        }
    };

    ui.onGuess(guess);
    render();
}

function getRandom(list) {
    return list[Math.floor(Math.random() * list.length)];
}

var ui = createHangmanUI(document.getElementById("hangman"));
var words = ["JavaScript", "Programming"];
var game = startGame(ui, getRandom(words));