added searching elements in dom to app.js

01/app.js

@@ -1 +1,7 @@
-console.log('DOM');
+console.log('DOM');
+const comments = document.querySelector('.comments__item.comments__item--newest');
+
+if (comments) {
+    const elementsWithDataInfo = comments.querySelectorAll('[data-info]');
+    console.log('The number of elements that have the attribute data-info:', elementsWithDataInfo.length);
+} 

02/app.js

@@ -1 +1,16 @@
-console.log('DOM');
+document.addEventListener('DOMContentLoaded', function () {
+    const links = document.querySelectorAll('a[data-url]');
+
+    links.forEach(link => {
+        const url = link.getAttribute('data-url');
+
+        if (url !== 'null') {
+            link.setAttribute('href', url);
+        } else {
+            link.style.color = 'grey';  
+            link.addEventListener('click', function (event) {
+                event.preventDefault();  
+            });
+        }
+    });
+});