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JavaScript

Posted by liam johnshon
liam johnshon
Courses Plus Student 904 Points

why length of quiz.questions is 0 ?

hey here is my code when i type quiz.questions.lenght in console the length of question display as 0 ..!

function Ques_obj(ques,choices,answer){
  this.ques = ques;
  this.choices = choice; 
  this.answer  = answer;
}
function Quiz(){
  this.questions = [];
  this.currentQuestion = 0;
  this.score = 0;
}
Quiz.prototype.add = function(ques){
  this.questions.push(ques);
};
//creating instance of Quiz
var quiz = new Quiz();
//creating instance of Ques_obj
var ques_1 = new Ques_obj("What's my name ?",["Ashish","Rohan","Rohit","Pawan"],"Ashish"); 
var ques_2 = new Ques_obj("What's my age ?",["10","20","18","19"],"19"); 
var ques_3 = new Ques_obj("What's my profession ?",["Developer","Mechanic","Driver","Operator"],"Developer"); 
quiz.add(ques_1);
quiz.add(ques_2);
quiz.add(ques_3);
Kenneth Jones
Kenneth Jones
6,656 Points

I think you need to do quiz.questions.push(ques_1);

liam johnshon
liam johnshon
Courses Plus Student 904 Points

it doesn't work

1 Answer

Steven Parker
Steven Parker
243,656 Points
Steven Parker
Steven Parker
243,656 Points

I'm surprised you didn't get undefined.

function Ques_obj(ques, choices, answer) {
  this.ques = ques;
  this.choices = choice;  // <-- you left off the final "s", try "choices"
  this.answer = answer;
}
liam johnshon
liam johnshon
Courses Plus Student 904 Points

actually i m working on codepen so i didn't get error thanx steven