diff --git a/frontend/js/hero_fx.js b/frontend/js/hero_fx.js
index 7f694637..9f3ab2b5 100644
--- a/frontend/js/hero_fx.js
+++ b/frontend/js/hero_fx.js
@@ -48,7 +48,7 @@ document.addEventListener("DOMContentLoaded", () => {
   function typeCommand(element, text, callback) {
     element.parentElement.classList.remove("hidden");
     let i = 0;
-    element.innerHTML = "";
+    element.textContent = "";
 
     const typer = setInterval(() => {
       if (i < text.length) {
diff --git a/frontend/js/user/badges.js b/frontend/js/user/badges.js
index 97823f3c..3fc047b0 100644
--- a/frontend/js/user/badges.js
+++ b/frontend/js/user/badges.js
@@ -112,7 +112,7 @@ export async function loadBadges(data) {
       ranks.overall.rank !== "--"
     ) {
       const overallRank = parseInt(ranks.overall.rank, 10);
-      if (!isNaN(overallRank) && overallRank <= 10) {
+      if (!Number.isNaN(overallRank) && overallRank <= 10) {
         earnedSet.add("TOP_BRASS");
       }
     }
diff --git a/scripts/analyze-inactivity.js b/scripts/analyze-inactivity.js
index 8c327766..891e1fdd 100644
--- a/scripts/analyze-inactivity.js
+++ b/scripts/analyze-inactivity.js
@@ -118,3 +118,5 @@ async function fetchData(url) {
     process.exit(1);
   }
 })();
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file