Simple Quiz Script

quiz.js

var answers = [ false,true,false,true,true,false,true,true,false,true,true ]

    	$('form').submit(function(e) {

			e.preventDefault();

			var $el = $('#results'), errors=getIncorrectAnswers($('form').find('input'),answers);
			if (errors.length==0) {
				$('tr').removeClass("error");
				$el.find("p:not(.error)").text("Congratulations, you got all 11 questions right!");
				$el.find("p.error").hide();
			} else {
				$el.find("p:not(.error)").text("You got "+(11-errors.length)+" out of the 11 questions right.");
				$('tr').removeClass("error");
				for (var i=0; i<errors.length; i++) {
					$('tr[rel='+(errors[i]+1)+']').addClass("error");
				}
			}

			$el.css({ opacity:0, visibility:"visible" }).animate({opacity:1});

			var targetOffset = $el.offset().top;
			$('html,body').animate({scrollTop: targetOffset}, 1000);

			return false;

		});

		function getIncorrectAnswers($inputs,answers) {

			var incorrectAnswers = new Array();

			for (var i=0;i<answers.length;i++) {
				// IF answer is true
				if (answers[i]) {

					// If true is checked then answer is correct
					if ($inputs.eq(i*2).is(":checked")) {
						// do nothing
					} else {
						incorrectAnswers.push(i);
					}
				// ELSE answer is false
				} else {
					if ($inputs.eq((i*2)+1).is(":checked")) {
						// do nothing
					} else {
						incorrectAnswers.push(i);
					}
				}
			}

			return incorrectAnswers;
		}