JS Quiz

Simple JS, multiple choice quiz, based off of github.com/jrue/JavaScript-Quiz with some modifications to the functionality and bootstrap implementation

by Bobby Etheredge

HTML

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/twitter-bootstrap/2.2.1/css/bootstrap-combined.min.css">
<script src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="form-group rsform-block rsform-block-framecontent">
    <div id="frame" role="content"></div>
</div>
<hr>
<div class="form-group rsform-block rsform-block-placecontent">
	<label class="col-sm-3 control-label formControlLabel" data-toggle="tooltip" title="" for="placecontent"></label>
	<div class="col-sm-6 formControls">
		<textarea cols="50" rows="5" name="form[placecontent]" id="placecontent" readonly="" class="rsform-text-box form-control rsform-text-box"></textarea>			
	</div>
</div>	
	
<div class="col-sm-6 formControls rsform-block-submit">
	<button type="submit" name="form[submit]" id="submit" onclick="copyText()" class="rsform-submit-button  btn btn-primary">Submit Quiz</button>			
</div>	
</body>

CSS

input 													{ height:30px !important; }
		input[type=checkbox]									{ height:30px !important; margin-top:-3px !important; margin-right:5px !important; box-shadow:none; background-color:#ffffff; position:relative !important; }
		textarea												{ width: 90%; margin: 0 auto; display: block; }
		input[type=radio]										{ height:30px !important; margin-top:-3px !important; margin-right:5px !important; box-shadow:none; background-color:#ffffff; position:relative !important; }
		.form-group input, .form-group select 					{ height:30px; padding: 0px 12px; }
		.form-horizontal .form-group							{ margin:10px; }
		.formContainer .formControlLabel 						{ width:auto !important; min-width:150px; margin:0; padding:0; }
		.formControls											{ width:100%; padding:0; margin: 10px 0 20px auto; }
		.radio 													{ padding-top:0 !important; padding-left:8px !important; }
		.radio-inline											{ margin-right:10px; padding-top:0 !important; display:inline; }
		.bold													{ font-weight:bold; }
		.italic 												{ font-style:italic; }
		.clear					 								{ width:100%; margin:0 !important; }
		.rsform-block-submit 									{ display:none; }
		.show 													{ display: block !important; }
/*		.rsform-block-placecontent 								{ display:none; } */
		#submit													{ margin:0 auto; display:block; }

		/* QUIZ STYLES */
		ol,ul 													{ list-style:none; }
		strong 													{ font-weight:700; }
		#frame 													{ width:auto; max-width: 800px; background:transparent; margin:3px auto; padding:10px; color:#333 !important; }
		div#frame h2 											{ width:auto; border-bottom:1px solid #bdbdbd; padding:0 0 5px 0; font-size:30px; }
		h3.question 											{ font-weight:normal; margin:20px 0; padding:0; font-style:italic; display:block; }
		p.pager 												{ margin:5px 0 5px; color:#999; text-align:right; }
		.qnumber 												{ font-size:25px; font-weight:bold; font-style:italic; vertical-align:bottom; }
		.number...

JavaScript

var quiztitle = "Bobby's Sample Quiz";

    /**
    * Set the information about your questions here. The correct answer string needs to match
    * the correct choice exactly, as it does string matching. (case sensitive)
    *
    */
/**
*Let's create the randomization of the questions!
*/

function shuffle(array) {
  var currentIndex = array.length, temporaryValue, randomIndex;

  // While there remain elements to shuffle...
  while (0 !== currentIndex) {

    // Pick a remaining element...
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex -= 1;

    // And swap it with the current element.
    temporaryValue = array[currentIndex];
    array[currentIndex] = array[randomIndex];
    array[randomIndex] = temporaryValue;
  }

  return array;
}

if (!("scramble" in Array.prototype)) {
  Object.defineProperty(Array.prototype, "scramble", {
    enumerable: false,
    value: function() {
      var o, i, ln = this.length;
      while (ln--) {
        i = Math.random() * (ln + 1) | 0;
        o = this[ln];
        this[ln] = this[i];
        this[i] = o;
      }
      return this;
    }
  });
}	
    var quiz = [
        {
            "question"      :   "Question: 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"      :   "Question: Who is on the two dollar bill?",
            "image"         :  ...