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  1. #1
    New to the CF scene
    Join Date
    Apr 2008
    Thanked 0 Times in 0 Posts

    Random selection for quiz script???

    Hey Everyone!

    I am trying to adapt the script found at the following page:


    I am trying to find a modification to where instead of having the questions appear in numbered order, to generate in a random order?

    Any input would be appreciated!

  2. #2
    Supreme Master coder! Philip M's Avatar
    Join Date
    Jun 2002
    London, England
    Thanked 2,607 Times in 2,585 Posts
    You can easily alter the popsolution.js file as follows:-

    var total=5
    var question=new Array()
    for (i=1;i<=total+1;i++){
    j = parseInt(Math.random() * total+1);  // 1-5
    temp="choice"+j+"=new Array()"
    But of course this means that the same question may be repeated.

    If you want to allow each question to appear only once you need to keep a record of which questions have already been selected.

    "There is hardly anything in the world that some man cannot make a little worse and sell a little cheaper, and the people who consider price only are this man's lawful prey." John Ruskin
    Last edited by Philip M; 04-22-2008 at 11:32 AM. Reason: Add quote of day

  3. #3
    Regular Coder
    Join Date
    Mar 2006
    Thanked 132 Times in 123 Posts
    You might try adapting something like this:

    function Qwiz(){
    	var q= [
    	['2', 'Any fool can make a rule, and any fool will mind it.'],
    	['5', 'Always forgive your enemies, nothing annoys them so much.'],
    	['4', 'An ignorant person is one who doesn\'t know what you have just found out.'],
    	['3', 'Beware of the young doctor and the old barber.'],
    	['1', 'Better to remain silent and be thought a fool than to speak out and remove all doubt.']
    	this.questions= q.sort(function(a,b){return Math.random()- .5});
    	this.selectfrom= '1. Abraham Lincoln,2. Henry David Thoreau,3. Benjamin Franklin,4. Will Rogers,5. Oscar Wilde';
    Qwiz.prototype.next= function(){
    	var score= 0, temp= '';
    		var tem= this.questions.shift();
    		var A= this.selectfrom.split(',');
    		var i= A.length;
    		var q= tem[1];
    		var a= tem[0];
    		var s= A.join('\n');
    		var s2= '\n'+q+'\n\nWho said it? Pick a number.\n\n'+s;
    		var el= prompt(temp+s2)
    		if(el.charAt(0)!== a.charAt(0)){
    			var el= prompt('Try again?\n'+s2);
    			if(!el || el.charAt(0)!= a.charAt(0)){
    				i= 0;
    		if(el.charAt(0)== a.charAt(0)){
    			score+= i;
    			temp= ('That is correct! '+score + 'points\n' );
    		else temp= 'Sorry. Wrong answer.\n';
    	var final= score>20? (score==25? 'Perfect!\n': 'Excellent!\n'): 'Final score: ';
    	alert(final +score +' Points')
    var Quiz= new Qwiz();


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