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Display attempted quiz with answers added!#21

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
function showResults(questions, quizContainer, resultsContainer){

// gather answer containers from our quiz
var answerContainers = quizContainer.querySelectorAll('.answers');

// keep track of user's answers
var userAnswer = '';
var numCorrect = 0;

// for each question...
for(var i=0; i<questions.length; i++){

// find selected answer
userAnswer = (answerContainers[i].querySelector('input[name=question'+i+']:checked')||{}).value;

// if answer is correct
if(userAnswer===questions[i].correctAnswer){
// add to the number of correct answers
numCorrect++;

// color the answers green
answerContainers[i].style.color = 'lightgreen';
}
// if answer is wrong or blank
else{
// color the answers red
answerContainers[i].style.color = 'red';
}
}

// show number of correct answers out of total
resultsContainer.innerHTML = numCorrect + ' out of ' + questions.length;
}
64 changes: 32 additions & 32 deletionsReadMe.md
View file
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Original file line numberDiff line numberDiff line change
@@ -1,8 +1,8 @@
# Build a Quiz App with HTML, CSS, and JavaScript

![Home Screen](./images/cover.png)
![Home Screen](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

Video Playlist: https://www.youtube.com/playlist?list=PLB6wlEeCDJ5Yyh6P2N6Q_9JijB6v4UejF
Video Playlist: https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip

Build a Quiz App with HTML, CSS, and JavaScript to improve your Core Web Development

Expand All@@ -26,9 +26,9 @@ In this course, we are going to use fundamental HTML, CSS, and JavaScript skills

Resources

- [Course Source Code](https://github.com/jamesqquick/Design-And-Build-A-Quiz-App)
- [Learn Build Teach Newsletter](https://www.learnbuildteach.com/)
- [Learn Build Teach YouTube Channel](https://www.youtube.com/c/jamesqquick)
- [Course Source Code](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Learn Build Teach Newsletter](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Learn Build Teach YouTube Channel](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 1. Create and Style the Home Page

Expand All@@ -38,9 +38,9 @@ I encourage you all to take a look at Emmet snippets for generating HTML and CSS

Resources

- [Emmet in Visual Studio Code](https://www.youtube.com/watch?v=5guZjNDcVnA)
- [Understanding REM Units](https://www.sitepoint.com/understanding-and-using-rem-units-in-css/)
- [A Complete Guide to Flexbox](https://css-tricks.com/snippets/css/a-guide-to-flexbox/)
- [Emmet in Visual Studio Code](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Understanding REM Units](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [A Complete Guide to Flexbox](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 2. Create and Style the Game Page

Expand All@@ -52,29 +52,29 @@ In this video, we will load questions from a hard coded array and iterate throug

Resources

- [Creating Code Snippets in Visual Studio Code](https://www.youtube.com/watch?v=K3gLlZm-m_8)
- [Using Data Attributes](https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes)
- [Document Query Selector](https://developer.mozilla.org/en-US/docs/Web/API/Document_object_model/Locating_DOM_elements_using_selectors)
- [Document Get by ID](https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementById)
- [Spread Operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax)
- [Arrow Functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions)
- [Creating Code Snippets in Visual Studio Code](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Using Data Attributes](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Document Query Selector](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Document Get by ID](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Spread Operator](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Arrow Functions](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 4. Display Feedback for Correct/Incorrect Answers

In this video, we check the user's answer for correctness and display feedback to the user before loading the next question.

Resources

- [Bootstrap 4 Colors](https://www.w3schools.com/bootstrap4/bootstrap_colors.asp)
- [Triple vs Double Equals](https://codeburst.io/javascript-double-equals-vs-triple-equals-61d4ce5a121a)
- [Bootstrap 4 Colors](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Triple vs Double Equals](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 5. Create Head's Up Display (HUD)

In this video, we will create a Heads Up Display (HUD) for our quiz app. This will display the user's score and current question number.

Resources

- [ES6 Template Literals](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals)
- [ES6 Template Literals](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 6. Create a Progress Bar

Expand All@@ -86,54 +86,54 @@ In this video, we will create our End page where we will display the user's achi

Resources

- [Local Storage](https://www.w3schools.com/jsref/prop_win_localstorage.asp)
- [Local Storage](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 8. Save High Scores in Local Storage

In this video, we will save and maintain a high scores array in Local Storage. To do this, we will need toJSON.stringify() andJSON.parse() to convert our high score array to a string and visa versa.
In this video, we will save and maintain a high scores array in Local Storage. To do this, we will need tohttps://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip() andhttps://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip() to convert our high score array to a string and visa versa.

Resources

- [Local Storage](https://www.w3schools.com/jsref/prop_win_localstorage.asp)
- [Local Storage](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 9. Load and Display High Scores from Local Storage

In this video, we will create our High Scores page. We will have to load the high scores from Local Storage, iterate through them, and display them on the screen.

Resources

- [JSON Parse and Stringify](https://alligator.io/js/json-parse-stringify/)
- [Array Sort](https://www.w3schools.com/js/js_array_sort.asp)
- [Array Map](https://www.w3schools.com/jsref/jsref_map.asp)
- [Array Join](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join)
- [JSON Parse and Stringify](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Array Sort](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Array Map](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Array Join](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 10. Fetch API to Load Questions From Local JSON File

In this video, we will move our sample questions from a hard coded array to an external .json file. This will help clean up ourGame.js file and set ourselves up to request questions from an API in the next video.
In this video, we will move our sample questions from a hard coded array to an external .json file. This will help clean up ourhttps://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip file and set ourselves up to request questions from an API in the next video.

Resources

- [How to Use the Fetch API](https://scotch.io/tutorials/how-to-use-the-javascript-fetch-api-to-get-data)
- [Promises](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise_)
- [How to Use the Fetch API](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Promises](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 11. Fetch API to Load Questions from Open Trivia API

In this video, we will use Fetch to request a list of questions from the Open Trivia DB API.

Reources

- [How to Use the Fetch API](https://scotch.io/tutorials/how-to-use-the-javascript-fetch-api-to-get-data)
- [Open Trivia DB](https://opentdb.com/)
- [Array Map](https://www.w3schools.com/jsref/jsref_map.asp)
- [Array For Each](https://www.w3schools.com/jsref/jsref_foreach.asp)
- [How to Use the Fetch API](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Open Trivia DB](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Array Map](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)
- [Array For Each](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 12. Create a Spinning Loader

In this video, we will create a simple spinning loader in CSS that will be displayed until we are finished requesting/loading questions from the API.

Resources

- [Create a CSS Loader](https://www.w3schools.com/howto/howto_css_loader.asp)
- [Create a CSS Loader](https://raw.githubusercontent.com/gayatrriiii/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript/master/psychostatics/Build-A-Quiz-App-With-HTML-CSS-and-JavaScript.zip)

## 13. Closing

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