Help me fix my JavaScript quiz [closed]

Answer 1

This is the working solution and comments for anyone who is looking for it!

// JavaScript Document

function validate(theForm) {  

//put the questions into  an array  
  var allQuestions = new Array(theForm.q1,  
                              theForm.q2,  
                              theForm.q3,  
                              theForm.q4);  

  return checkAnswers(allQuestions);  
}

 //checks all answers  
function checkAnswers(allQuestions){  
  var totalScore = 0; //initialize to 0 

  //go through each question set  
  for (var i in allQuestions) {  
    var temp = allQuestions[i];  

  //go through each radio button in the current question set  
    for (var j = 0; j < temp.length; j++) {  

    //if the correct one is chosen then add 1 to total score  
      if (temp[j].value == "correct" && temp[j].checked == true) {  
        totalScore++;  
      }  
    }  
  }  

  //if the total percentage is more than 75%  
  if ((totalScore/allQuestions.length) >= .75) {  

  //alert and move on  
    alert("Congratulations! Your score of " + totalScore +  
     " out of " + allQuestions.length + " is very good!");  
     return true;  
  }  

    //otherwise alert and return false  
    alert("You must get at least 75% correct to pass");  
    return false;  
}