I'm trying to show make some changes in the javascript to show then correct answer when someone click on the wrong answer. please help me to fix it.
var quiztitle = "Social Security Quiz";
var quiz = [
{
"question" : "Q1: Who came up with the theory of relativity?",
"image" : "http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Albert_Einstein_Head.jpg/220px-Albert_Einstein_Head.jpg",
"choices" : [
"Sir Isaac Newton",
"Nicolaus Copernicus",
"Albert Einstein",
"Ralph Waldo Emmerson"
],
"correct" : "Albert Einstein",
"explanation" : "Albert Einstein drafted the special theory of relativity in 1905.",
},
{
"question" : "Q2: Who is on the two dollar bill?",
"image" : "http://upload.wikimedia.org/wikipedia/commons/thumb/9/94/US_%242_obverse-high.jpg/320px-US_%242_obverse-high.jpg",
"choices" : [
"Thomas Jefferson",
"Dwight D. Eisenhower",
"Benjamin Franklin",
"Abraham Lincoln"
],
"correct" : "Thomas Jefferson",
"explanation" : "The two dollar bill is seldom seen in circulation. As a result, some businesses are confused when presented with the note.",
},
{
"question" : "Q3: What event began on April 12, 1861?",
"image" : "",
"choices" : [
"First manned flight",
"California became a state",
"American Civil War began",
"Declaration of Independence"
],
"correct" : "American Civil War began",
"explanation" : "South Carolina came under attack when Confederate soldiers attacked Fort Sumter. The war lasted until April 9th 1865.",
},
];
var currentquestion = 0,
score = 0,
submt = true,
picked;
jQuery(document).ready(function ($) {
function htmlEncode(value) {
return $(document.createElement('div')).text(value).html();
}
function addChoices(choices) {
if (typeof choices !== "undefined" && $.type(choices) == "array") {
$('#choice-block').empty();
for (var i = 0; i < choices.length; i++) {
$(document.createElement('li')).addClass('choice choice-box').attr('data-index', i).text(choices[i]).appendTo('#choice-block');
}
}
}
function nextQuestion() {
submt = true;
$('#explanation').empty();
$('#question').text(quiz[currentquestion]['question']);
$('#pager').text('Question ' + Number(currentquestion + 1) + ' of ' + quiz.length);
if (quiz[currentquestion].hasOwnProperty('image') && quiz[currentquestion]['image'] != "") {
if ($('#question-image').length == 0) {
$(document.createElement('img')).addClass('question-image').attr('id', 'question-image').attr('src', quiz[currentquestion]['image']).attr('alt', htmlEncode(quiz[currentquestion]['question'])).insertAfter('#question');
} else {
$('#question-image').attr('src', quiz[currentquestion]['image']).attr('alt', htmlEncode(quiz[currentquestion]['question']));
}
} else {
$('#question-image').remove();
}
addChoices(quiz[currentquestion]['choices']);
setupButtons();
}
function processQuestion(choice) {
if (quiz[currentquestion]['choices'][choice] == quiz[currentquestion]['correct']) {
$('.choice').eq(choice).css({
'background-color': '#50D943'
});
$('#explanation').html('<strong>Correct!</strong> ' + htmlEncode(quiz[currentquestion]['explanation']));
score++;
} else {
$('.choice').eq(choice).css({
'background-color': '#D92623'
});
$('#explanation').html('<strong>Incorrect.</strong> ' + htmlEncode(quiz[currentquestion]['explanation']));
}
currentquestion++;
$('#submitbutton').html('NEXT QUESTION »').on('click', function () {
if (currentquestion == quiz.length) {
endQuiz();
} else {
$(this).text('Check Answer').css({
'color': '#222'
}).off('click');
nextQuestion();
}
})
}
function setupButtons() {
$('.choice').on('mouseover', function () {
$(this).css({
'background-color': '#e1e1e1'
});
});
$('.choice').on('mouseout', function () {
$(this).css({
'background-color': '#fff'
});
})
$('.choice').on('click', function () {
picked = $(this).attr('data-index');
$('.choice').removeAttr('style').off('mouseout mouseover');
$(this).css({
'border-color': '#222',
'font-weight': 700,
'background-color': '#c1c1c1'
});
if (submt) {
submt = false;
$('#submitbutton').css({
'color': '#000'
}).on('click', function () {
$('.choice').off('click');
$(this).off('click');
processQuestion(picked);
});
}
})
}
function endQuiz() {
$('#explanation').empty();
$('#question').empty();
$('#choice-block').empty();
$('#submitbutton').remove();
$('#question').text("You got " + score + " out of " + quiz.length + " correct.");
$(document.createElement('h2')).css({
'text-align': 'center',
'font-size': '4em'
}).text(Math.round(score / quiz.length * 100) + '%').insertAfter('#question');
}
function init() {
//add title
if (typeof quiztitle !== "undefined" && $.type(quiztitle) === "string") {
$(document.createElement('h1')).text(quiztitle).appendTo('#frame');
} else {
$(document.createElement('h1')).text("Quiz").appendTo('#frame');
}
//add pager and questions
if (typeof quiz !== "undefined" && $.type(quiz) === "array") {
//add pager
$(document.createElement('p')).addClass('pager').attr('id', 'pager').text('Question 1 of ' + quiz.length).appendTo('#frame');
//add first question
$(document.createElement('h2')).addClass('question').attr('id', 'question').text(quiz[0]['question']).appendTo('#frame');
//add image if present
if (quiz[0].hasOwnProperty('image') && quiz[0]['image'] != "") {
$(document.createElement('img')).addClass('question-image').attr('id', 'question-image').attr('src', quiz[0]['image']).attr('alt', htmlEncode(quiz[0]['question'])).appendTo('#frame');
}
$(document.createElement('p')).addClass('explanation').attr('id', 'explanation').html(' ').appendTo('#frame');
//questions holder
$(document.createElement('ul')).attr('id', 'choice-block').appendTo('#frame');
//add choices
addChoices(quiz[0]['choices']);
//add submit button
$(document.createElement('div')).addClass('choice-box').attr('id', 'submitbutton').text('Check Answer').css({
'font-weight': 700,
'color': '#222',
'padding': '30px 0'
}).appendTo('#frame');
setupButtons();
}
}
init();
}); <style type="text/css" media="all">
/*css reset */
html, body, div, span, h1, h2, h3, h4, h5, h6, p, code, small, strike, strong, sub, sup, b, u, i {
border:0;
font-size:100%;
font:inherit;
vertical-align:baseline;
margin:0;
padding:0;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
display:block;
}
body {
line-height:1;
font:normal 0.9em/1em"Helvetica Neue", Helvetica, Arial, sans-serif;
}
ol, ul {
list-style:none;
}
strong {
font-weight:700;
}
#frame {
max-width:620px;
width:auto;
border:1px solid #ccc;
background:#fff;
padding:10px;
margin:3px;
}
h1 {
font:normal bold 2em/1.8em"Helvetica Neue", Helvetica, Arial, sans-serif;
text-align:left;
border-bottom:1px solid #999;
padding:0;
width:auto
}
h2 {
font:italic bold 1.3em/1.2em"Helvetica Neue", Helvetica, Arial, sans-serif;
padding:0;
text-align:center;
margin:20px 0;
}
p.pager {
margin:5px 0 5px;
font:bold 1em/1em"Helvetica Neue", Helvetica, Arial, sans-serif;
color:#999;
}
img.question-image {
display:block;
max-width:250px;
margin:10px auto;
border:1px solid #ccc;
width:100%;
height:auto;
}
#choice-block {
display:block;
list-style:none;
margin:0;
padding:0;
}
#submitbutton {
background:#5a6b8c;
}
#submitbutton:hover {
background:#7b8da6;
}
#explanation {
margin:0 auto;
padding:20px;
width:75%;
}
.choice-box {
display:block;
text-align:center;
margin:8px auto;
padding:10px 0;
border:1px solid #666;
cursor:pointer;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
}
</style><script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div id = "frame"
role = "content" >I'm trying to use this code.
if (quiz[currentquestion]['choices'][choice] == quiz[currentquestion]['correct']) {
$('.choice').eq(choice).css({
'background-color': '#50D943'
});
$('#explanation').html('<strong>Correct!</strong> ' + htmlEncode(quiz[currentquestion]['explanation']));
score++;
} else {
quiz[currentquestion]['correct'](checked) { $('.choice').eq(choice).css({
'background-color': '#50D943'
});
$('.choice').eq(choice).css({
'background-color': '#D92623'
});
$('#explanation').html('<strong>Incorrect.</strong> ' + htmlEncode(quiz[currentquestion]['explanation']));
}
where is problem in the coding. please help.
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