clear timer

src/App.vue

@@ -14,7 +14,6 @@ export default {
   name: "App",
   methods: {
     updateViewPortHeightCSS() {
-      console.log(`${window.innerHeight}px`);
       return document.documentElement.style.setProperty(
         "--vh100",
         `${window.innerHeight}px`

src/components/Blockchain.vue

@@ -102,9 +102,10 @@ export default {
   },
   mounted() {
     //create fake blocks
-    window.setInterval(() => {
+    window.setInterval(this.addFakeBlock, 5000);
-      this.addFakeBlock();
+  },
-    }, 5000);
+  beforeDestroy() {
+    window.clearInterval(this.addFakeBlock);
   },
   props: {
     numBlocks: {
@@ -112,6 +113,7 @@ export default {
       default: 3
     }
   },
+
   components: {}
 };
 </script>