add default correct and default incorrect settings

README.md

@@ -51,6 +51,8 @@ format:
       allowNumberKeys: true
       disableOnCheck: false
       shuffleOptions: true
+      defaultCorrect: "Correct!"
+      defaultIncorrect: "Incorrect!"
 revealjs-plugins:
   - quiz
 ```
@@ -63,6 +65,8 @@ The `disableOnCheck` option will disable the quiz question after it has been che
 
 The `shuffleOptions` option will shuffle the order of the options when the question is displayed. This is true by default. You can refresh your browser to reshuffle the options. 
 
+The `defaultCorrect` and `defaultIncorrect` options allow you to set the default text for the correct and incorrect explanations. By default, they are set to "Correct!" and "Incorrect!" if you don't define them.
+
 ### Custom explanations for each option
 
 Within a slide, you can use the `data-explanation` attribute to provide an explanation for the each option including the correct answer. It is a [data attribute](https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes), in case you are wondering why it has a "data-*" prefix. This will be displayed when the user checks their answer. For example, here's what a math quiz question might look like:

_extensions/quiz/_extension.yml

@@ -16,4 +16,6 @@ contributes:
           shuffleKey: "t"
           allowNumberKeys: true
           disableOnCheck: false
-          shuffleOptions: true
+          shuffleOptions: true
+          defaultCorrect: ""
+          defaultIncorrect: ""

_extensions/quiz/quiz.js

@@ -89,6 +89,9 @@ window.RevealQuiz = function () {
 
       settings.shuffleOptions = options.shuffleOptions || false;
 
+      settings.defaultCorrect = options.defaultCorrect || "Correct!";
+      settings.defaultIncorrect = options.defaultIncorrect || "Incorrect!";
+
       console.log(settings);
 
       deck.getSlides().forEach((slide, index) => {
@@ -172,11 +175,11 @@ window.RevealQuiz = function () {
               }
               if (isCorrect) {
                 selectedOption.classList.add('correct');
-                cloneFeedbackElement.textContent = explanation || 'Correct!'; // Use explanation if available
+                cloneFeedbackElement.textContent = explanation || settings.defaultCorrect; // Use explanation if available
                 cloneFeedbackElement.style.color = '#27ae60';
               } else {
                 selectedOption.classList.add('incorrect');
-                cloneFeedbackElement.textContent = explanation || 'Incorrect!'; // Use explanation if available
+                cloneFeedbackElement.textContent = explanation || settings.defaultIncorrect; // Use explanation if available
                 cloneFeedbackElement.style.color = '#c0392b';
               }