Online Exam simulator

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Marks: | Time left:0 sec. | Time Saved : 0 sec.

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Question:<span id="statement">
<span id="op1" >
<span id="op2" >
<span id="op3" >
<span id="op4" >

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Answered Questions Status

<script> var Radix={}; Radix.Question=function(statement,op1,op2,op3,op4,answer,marks){ this.statement=statement; this.op=[]; this.op[1]= op1; this.op[2]= op2; this.op[3]= op3; this.op[4]= op4; this.answer=answer; this.marks=marks; } /////////////////////////////////////DATA Access Layer Radix.QuestionDAL = function() { this.questionL = []; this.questionL.push(new Radix.Question("What is JavaScript?","Its a scripting language","Not related to Java","Both","None","3","10")); this.questionL.push(new Radix.Question("Java is the product of?","Moon","Sun","Star","Microsoft","2","15")); this.questionL.push(new Radix.Question("What is the maximum heap swap supported on a 32bit JavaVirtualMachine?","1024MB","512KB","2048MB","Unlimited","3","15")); this.questionL.push(new Radix.Question("Who is Richard Stallman ?
","Employe of Microsoft","Actor","Father of GNU Public lisence","A Saint","3","20")); this.questionL.push(new Radix.Question("Who is Mark Shuttleworth ?
","Founder of fedora","Founder of Ubuntu","Founder of Debion","None of above","2","20")); this.questionL.push(new Radix.Question("Identify the guys in below picture ?
","Employes of Microsoft","Founder of Linux","Founders of Google","None of above","3","20")); } Radix.QuestionDAL.prototype={ getquestion : function(a) {return (this.questionL[a]);}, getlength : function() {return this.questionL.length;} }; ////////////////////////////////////////Presentation Logic layer Radix.QuestionPLL=function(){

this.logic=new Radix.QuestionBLL(); this.current_Q = new Radix.Question("-","-","-","-","-","-","-","-"); this.score = 0; this.overall=0; } Radix.QuestionPLL.prototype={ start : function() { this.update(); this.logic.startexam(); }, get_answer : function(){ this.get_score(); this.logic.nextQ(); }, get_score : function(){ Radix.presentation_obj.updatetimer(""+Number(timer.timeout-timer.counter)+"",""+timer.timesaved+""); this.print("
Q: "+this.current_Q.statement+"
Ans: "+this.current_Q.op[this.current_Q.answer]+"."); this.logic.calc_score(document.getElementsByName("choice"),this.current_Q); document.getElementById('s1').disabled=true; }, update : function(){ var currentQ = new Radix.Question("-","-","-","-","-","-","-","-"); currentQ = this.logic.getq(); this.current_Q = currentQ; document.getElementById("statement").innerHTML=currentQ.statement; document.getElementById("op1").innerHTML=currentQ.op[1]; document.getElementById("op2").innerHTML=currentQ.op[2]; document.getElementById("op3").innerHTML=currentQ.op[3]; document.getElementById("op4").innerHTML=currentQ.op[4]; document.getElementById("marks").innerHTML=""+currentQ.marks+""; document.getElementById('s1').disabled=false; }, updatetimer : function(a,b) { document.getElementById('timer').innerHTML = a; document.getElementById('savedtime').innerHTML = b; }, finish_exam: function(a){document.getElementById("exam_status").innerHTML = a ;}, print :function(a){document.getElementById('status').innerHTML = a+document.getElementById('status').innerHTML;} }; //////////////////////////////////////Business Logic Layer Radix.QuestionBLL = function(){ this.dal = new Radix.QuestionDAL(); this.qno = 0; this.tref=null; } Radix.Timer = function(){}; Radix.QuestionBLL.prototype={

startexam : function(){ timer.starttimer(); }, getq : function() { if(this.dal.getlength() > this.qno) return this.dal.getquestion(this.qno++); else return null; }, stopexam : function() { timer.stoptimer(); }, nextQ : function() { timer.stoptimer(); Radix.presentation_obj.update(); timer.starttimer(); }, calc_score : function(ch,ques){ timer.timesaved = timer.timesaved + (timer.timeout-timer.counter); Radix.presentation_obj.overall = Radix.presentation_obj.overall+Number(ques.marks); for(var i=0;i

Exam completed !
Total Score is "+Radix.presentation_obj.score+" / "+Radix.presentation_obj.overall+". Time saved "+timer.timesaved+" sec.

"); this.stopexam(); } } }; //////////////////////////////// TIMER CLASS Radix.Timer=function(){ this.tref=null; this.counter=0; this.timesaved=0; this.timeout = 10; } Radix.Timer.prototype={ process: function() { if(timer.counter == timer.timeout) { Radix.presentation_obj.print("
Timed out. Answer next question"); Radix.presentation_obj.get_score(); Radix.presentation_obj.update(); timer.counter=0;

} Radix.presentation_obj.updatetimer(""+Number(timer.timeout-timer.counter)+"",""+timer.timesaved+""); timer.counter++; }, starttimer:function(){timer.tref=setInterval("timer.process()",1000);}, stoptimer:function() { this.counter=0; clearInterval(this.tref); } }; var timer = new Radix.Timer(); ////////////////////////////////////////OBJECT OF PLL alert("Press OK to start the exam. You get "+timer.timeout+" seconds per questions."); Radix.presentation_obj=new Radix.QuestionPLL(); Radix.presentation_obj.start();