Use .innerText wherever applicable

quiz.js

@@ -2,10 +2,10 @@
 // ./LICENSE for more details.
 
 "use strict";
-const version = "$Id: quiz.js,v 1.15 2024/01/20 10:00:26 oj14ozun Exp oj14ozun $";
+const version = "$Id: quiz.js,v 1.16 2024/01/20 11:17:56 oj14ozun Exp oj14ozun $";
 
 const js_version  = document.getElementById("js-version");
-js_version.innerHTML = version;
+js_version.innerText = version;
 
 const gitlab_base = "https://gitlab.cs.fau.de/oj14ozun/sp-quiz";
 
@@ -56,8 +56,8 @@ function update_stats(q) {
     const data = get_data(q);
 
     // update stats
-    correct.innerHTML = data.right;
-    wrong.innerHTML = data.wrong;
+    correct.innerText = data.right;
+    wrong.innerText = data.wrong;
 }
 
 function remember(q, ok) {
@@ -98,7 +98,7 @@ function next() {
     // load question
     text.innerHTML = q.question;
     // load metadata
-    metadata.innerHTML = q.source;
+    metadata.innerText = q.source;
     // load image, if specified
     if (q.media) {
         media.style.display = (media.src = q.media) ? "block" : "none";