pls help with the code...

You seem to be missing a bit of program logic.

I notice in your click handlers, when the answer is correct you increment the score and question index, but do nothing else. And if the answer is not correct, the handler does nothing at all.

I would expect that the score would be incremented for a correct answer, but for either answer the index would be incremented and then the screen would get updated (perhaps a call to QuizUI.displayNext?)

Also the endQuiz function should probably not add to the index if it has already been incremented.

I'm sure there's a few more things to work on, but this should get you going again.

Hi again, found a mistake. Was using "=" instead of correct "===" in if statement of assignButton click event handler)

Steven, hi again:)

Is there any possibility to make assignChoice method in quiz_ui.js more complex (using for in loop for example). I mean if there are four buttons. It would be annoying to write everything separately. Looking forward.

thx

One more question.... in teacher's video i don't see that he is assigning any values to the button. So by default it's just an empty button. But how then the choice is being handled to the button?

Hi Steven,

as far as i understand with my lack of javascript knowledge :)), only the innerHTML of paragraphs with id's "choice0" and "choice1" are being populated with quiz.getCurrentQuestion().choices[i]. The guessHandler method is only handling the button clicks and then the quiz.guess() inside it is checking if user's choice is correctAnswer?... But i don't see any functions that pass any values to buttons...Can you pls explain more detailed. Thx a lot....

P.S I've made several manipulations with console in development tools to check the value of the buttons and prevented new Question to appear by deleting the QuizUI.displayNext() function call after click event is processed just in case. Tried to check innerHTML and value of the buttons both before click event and after. So after typing in console for example document.getElementById("guess0").innerHTML, "select answer" is appearing in both cases( the innerHTML set while creating index.Html); and after typing document.getElementById("guess0").value, i receive just empty string "" in both cases. So the button is empty?...So how does the code work?)))...

I'm really confused abt it and trying to understand the code's behavior for the 3rd day.:D...Looking forward..

Sorry, but i still don't understand)))....I deleted the displayNext() in guessHandler(), so that no next question to be displayed, performed click on button, then checking the innerHTML of it and it's still "Select Answer" as by default. Nothing assigned to it., Where is this innerHTML which computer is comparing with answer? May be you can recommend some materials to study in order to understand what's going on?