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JavaScript Object-Oriented JavaScript (2015) Practice Project User Interface Code

Daniel Sarmiento
Daniel Sarmiento
10,265 Points
Posted by Daniel Sarmiento
Daniel Sarmiento
10,265 Points

Buttons don't work

I'm getting this errors in the console

Uncaught TypeError: Cannot read property 'isCorrectAnswer' of undefined at Quiz.guess (quiz.js:8) at HTMLButtonElement.button.onclick (quiz_ui.js:35)

Here's the workspace snapshot: https://w.trhou.se/x7sa2ludpi

2 Answers

Jennifer Nordell
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

Hi there! You've simply made a small typo. In the quiz_ui.js file you've written this:

QuizUI.displayNext;

But you forgot the parentheses. It should be:

QuizUI.displayNext();

Try making that change and then refreshing the page.

Hope this helps! :sparkles:

Blake Foster
Blake Foster
10,184 Points
Blake Foster
Blake Foster
10,184 Points

Same thing happened to me. It drove me crazy for like an hour! hahaha. Guess I should have looked here first.