Code does not run correctly...what am I missing?

Question

Here is my code for the last challenge of Arrays section. But it won't run correctly. I got the questions to work before, but after adding all the final elements, the questions don't even appear anymore. What am I missing?

Here is my code:

//variables

var questions =
[
    ['What is 1 + 2?', 3],
    ['What is 2 + 3?', 5],
    ['What is 3 + 4?', 7]
];

var question;
var answer;
var response;
var html;
var rightAnswers = 0;
var rightQuestions = [];
var wrongQuestions = [];

//functions

function print(message)
{
    var outputDiv = document.GetElementByID('output');
    outputDiv.innerHTML = message;
}

function buildList(array)
{
    var listHTML = '<ol>';
    for (var i = 0; i < array.length, i ++)
    {
        listHTML += '<li>' + array[i] + '</li>';
    }
    listHTML += '</ol>';
    return listHTML;
}

//loop

for (var i = 0; i < questions.length; i ++ )
{
    question = questions[i][0];
    answer = questions[i][1];
    response = parseInt(prompt(question));
    if (response == answer)
    {
        rightQuestions.push(question);
        rightAnswers ++;
    }
    else
    {
        wrongQuestions.push(question);
    }
}

//messages

html = 'You got ' + right + ' questions(s) right.'
html += '<h2>You got these question(s) correct:</h2>';
html += buildList(rightQuestions);
html += '<h2>You got these question(s) wrong:</h2>';
html += buildList(wrongQuestions);

print(html);

I know it's a bunch of code to go through, but I don't know what is wrong.

Thank you for your time XD

Richard

PS. Maybe you can see what I did wrong Dave McFarland, if you don't mind :-)

Answer 1 · 2015-06-28T10:29:53Z

June 28, 2015 10:29am

Problems I found:

for (var i = 0; i < array.length, i ++)
// Uncaught SyntaxError: Unexpected token )

html = 'You got ' + right + ' questions(s) right.'
// Uncaught ReferenceError: right is not defined

var outputDiv = document.GetElementByID('output');
// Uncaught TypeError: document.GetElementByID is not a function

Answer 2 · 2015-06-28T14:16:39Z

June 28, 2015 2:16pm

Richard,

I am not sure what changes you made, but here is the working code:

https://jsfiddle.net/8ym7v4bn/

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