diff --git a/examples/rss-reader/src/index.tsx b/examples/rss-reader/src/index.tsx
index 2b269cb81..529c4fd32 100644
--- a/examples/rss-reader/src/index.tsx
+++ b/examples/rss-reader/src/index.tsx
@@ -27,12 +27,12 @@ function decodeEntities(value: string): string {
 
   return value.replace(/&(#x?[0-9a-fA-F]+|[a-zA-Z]+);/g, (match, entity: string) => {
     if (entity.startsWith('#x')) {
-      const codePoint = Number.parseInt(entity.slice(2), 16);
+      const codePoint = Number.parseInt(entity.slice(2, 10), 16);
       return Number.isFinite(codePoint) ? String.fromCodePoint(codePoint) : match;
     }
 
     if (entity.startsWith('#')) {
-      const codePoint = Number.parseInt(entity.slice(1), 10);
+      const codePoint = Number.parseInt(entity.slice(1, 10), 10);
       return Number.isFinite(codePoint) ? String.fromCodePoint(codePoint) : match;
     }
 
diff --git a/examples/widget-gallery/src/index.ts b/examples/widget-gallery/src/index.ts
index 57b141244..ec688a7fc 100644
--- a/examples/widget-gallery/src/index.ts
+++ b/examples/widget-gallery/src/index.ts
@@ -129,7 +129,7 @@ class WidgetGalleryApp extends Widget {
         }
 
         // Tab switching: 1-6
-        const num = parseInt(event.key);
+        const num = parseInt(event.key, 10);
         if (num >= 1 && num <= 6) {
             this._switchTab(num - 1);
             return true;