// Define global variables and arrays
var questionIndex = 0;
var checker = true;
var keeper = new Array();
var performance = new Array('10 percent','20 percent','30 percent','40 percent','50 percent','60 percent','70 percent','80 percent','90 percent','100 percent');
var correctAnswers = 0;
var jsAbility;
var preventer = 1;
var spawn;
// For resetting all variables and arrays for a retake
function itemReset() {
questionIndex = 0;
keeper = new Array();
correctAnswers = 0;
preventer = 1;
jsAbility = null;
}
// Administer the test and record the answers
function startQuiz(openStatus, whetherOrNot) {
checker = openStatus;
if (whetherOrNot < questionIndex) { busted(); return; }
if (checker) {
spawn = open('','','width=550,height=450,scrollbars=yes');
!checker;
}
if (questionIndex == questions.length) { gradeTest(); return; }
// Separate each array element to form the questions and answr options
var question = questions[questionIndex].substring(0, questions[questionIndex].indexOf('$$'));
var optionA = questions[questionIndex].substring(questions[questionIndex].indexOf('$$') + 2, questions[questionIndex].indexOf('%%'));
var optionB = questions[questionIndex].substring(questions[questionIndex].indexOf('%%') + 2, questions[questionIndex].indexOf('^^'));
var optionC = questions[questionIndex].substring(questions[questionIndex].indexOf('^^') + 2, questions[questionIndex].indexOf('&&'));
var optionD = questions[questionIndex].substring(questions[questionIndex].indexOf('&&') + 2, questions[questionIndex].length);
// Write the questons and answrs options to the new window
spawn.document.clear();
spawn.document.open();
spawn.document.writeln('Immigration Quiz');
spawn.document.writeln('');
spawn.document.writeln('
');
spawn.document.writeln('');
spawn.document.close();
// Increment variables for the next question
questionIndex++;
preventer++;
}
function gradeTest() {
// Increment the variables for the last time
questionIndex++;
preventer++;
// Compare student answers with correct answers
for (var i = 0; i < questions.length; i++) {
if (keeper[i] == answers[i]) {
correctAnswers++;
}
}
// Determine a ranking according to number of corrrect answers
jsAbility = performance[Math.ceil((correctAnswers/questions.length) * performance.length - 1)];
// Print the test results
printResults();
}
// Print the questions, answer options, and other info
function printResults() {
spawn.document.clear();
spawn.document.open();
spawn.document.writeln('');
spawn.document.writeln('Immigrants Rights');
spawn.document.writeln(' The reason is: ' + questions[i].substring(questions[i].indexOf('^^') + 2, questions[i].indexOf('&&')) + ' ');}
}
// Add extra info about the ranking, questions, and application
spawn.document.writeln('\n\n If you came out on top, congratulations! If not, don\'t worry. This test was ');
spawn.document.writeln('designed to be difficult. You can always retake it. ');
spawn.document.writeln('\n\n
');
// Add this line instead of the button to submit to the database...
spawn.document.close();
}
function busted() {
alert('Sorry, you only get one shot at each question.');
spawn.history.forward();
spawn.focus();
}
![](\"images/discrimination_quiz.gif\")